term - a single number or variable, or numbers and variables multiplied together
2 Asset PortfolioFree 2 Asset Portfolio Calculator - Given a portfolio with 2 assets, this determines the expected return (mean), variance, and volatility (standard deviation) of the portfolio.
2 Lines IntersectionFree 2 Lines Intersection Calculator - Enter any 2 line equations, and the calculator will determine the following:
* Are the lines parallel?
* Are the lines perpendicular
* Do the lines intersect at some point, and if so, which point?
* Is the system of equations dependent, independent, or inconsistent
401(k) BalanceFree 401(k) Balance Calculator - Determines your 401(k) balance given a salary history per year, contribution percentage rate, employer match percentage, and a rate of return.
Accounting FormulasFree Accounting Formulas Calculator - Shows various accounting formulas
Accuracy and PrecisionFree Accuracy and Precision Calculator - Given an integer or decimal, this determines the precision and accuracy (scale)
Age DifferenceFree Age Difference Calculator - Determines the ages for an age difference word problem.
Age Word ProblemsFree Age Word Problems Calculator - Determines age in age word problems
Angle Ratio for a TriangleFree Angle Ratio for a Triangle Calculator - Given an angle ratio for a triangle of a:b:c, this determines the angle measurements of the triangle.
Arithmetic and Geometric and Harmonic SequencesFree Arithmetic and Geometric and Harmonic Sequences Calculator - This will take an arithmetic series or geometric series or harmonic series, and an optional amount (n), and determine the following information about the sequence
1) Explicit Formula
2) The remaining terms of the sequence up to (n)
3) The sum of the first (n) terms of the sequence
Also known as arithmetic sequence, geometric sequence, and harmonic sequence
Automorphic NumberFree Automorphic Number Calculator - This calculator determines the nth automorphic number
Babylonian MethodFree Babylonian Method Calculator - Determines the square root of a number using the Babylonian Method.
Balance SheetFree Balance Sheet Calculator - Given various asset and liability entries, this determines various calculations that can be made from the balance sheet.
Better Buy ComparisonFree Better Buy Comparison Calculator - Given two items with a price and quantity, this determines which is the better buy by comparing unit prices. Finds the better deal.
Binomial Multiplication (FOIL)Free Binomial Multiplication (FOIL) Calculator - Multiplies out the product of 2 binomials in the form (a + b)(c + d) with 1 unknown variable.
This utilizes the First-Outside-Inside-Last (F.O.I.L.) method.
Bond Price FormulasFree Bond Price Formulas Calculator - Given a face value, coupon percent, yield percent, term, and redemption value, this calculates the price of a bond using the four price formulas for bonds
1) Basic
2) Premium/Discount
3) Base
4) Makeham
Boolean Algebra MultiplicationFree Boolean Algebra Multiplication Calculator - Determines the product of two expressions using boolean algebra.
Calls-Puts-Option ΔFree Calls-Puts-Option Δ Calculator - Calculates the call price, put price, and option Δ based on an option under the risk neutral scenario with a 1 year term.
Chi-Square χ2 TestFree Chi-Square χ2 Test Calculator - This calculator determines a χ2 chi-square test on a test statistic and determines if it is outside an accepted range with critical value test and conclusion.
Circle EquationFree Circle Equation Calculator - This calculates the standard equation of a circle and general equation of a circle from the following given items:
* A center (h,k) and a radius r
* A diameter A(a1,a2) and B(b1,b2)
This also allows you to enter a standard or general form equation so that the center (h,k) and radius r can be determined.
Classify FractionFree Classify Fraction Calculator - Determines the if a fraction is proper, improper, or whole.
Closest FractionFree Closest Fraction Calculator - Determines the closest fraction in a list to a target fraction
Coin CombinationsFree Coin Combinations Calculator - Given a selection of coins and an amount, this determines the least amount of coins needed to reach that total.
Coin Toss ProbabilityFree Coin Toss Probability Calculator - This calculator determines the following coin toss probability scenarios
* Coin Toss Sequence such as HTHHT
* Probability of x heads and y tails
* Probability of at least x heads in y coin tosses
* Probability of at least x tails in y coin tosses
* Probability of no more than x heads in y coin tosses
* Probability of no more than x tails in y coin tosses
* (n) Coin Tosses with a list of scenario results displayed
* Monte Carlo coin toss simulation
Combined RatioFree Combined Ratio Calculator - Given a ratio a:b and a ratio b:c, this determines the combined ratio a:c
Compare RaisesFree Compare Raises Calculator - Given two people with a salary and annual raise amount, this determines how long it takes for the person with the lower salary to catch the person with the higher salary.
Complementary and Supplementary AnglesFree Complementary and Supplementary Angles Calculator - This calculator determines the complementary and supplementary angle of a given angle that you enter OR it checks to see if two angles that you enter are complementary or supplementary.
Complex Number OperationsFree Complex Number Operations Calculator - Given two numbers in complex number notation, this calculator:
1) Adds (complex number addition), Subtracts (complex number subtraction), Multiplies (complex number multiplication), or Divides (complex number division) any 2 complex numbers in the form a + bi and c + di where i = √-1.
2) Determines the Square Root of a complex number denoted as √a + bi
3) Absolute Value of a Complex Number |a + bi|
4) Conjugate of a complex number a + bi
Composite NumberFree Composite Number Calculator - This calculator determines the nth composite number. Helps you generate composite numbers.
Confidence Interval/Hypothesis Testing for the Difference of MeansFree Confidence Interval/Hypothesis Testing for the Difference of Means Calculator - Given two large or two small distriutions, this will determine a (90-99)% estimation of confidence interval for the difference of means for small or large sample populations.
Also performs hypothesis testing including standard error calculation.
Congruence Modulo nFree Congruence Modulo n Calculator - Given a possible congruence relation a ≡ b (mod n), this determines if the relation holds true (b is congruent to c modulo n).
Continuous AnnuityFree Continuous Annuity Calculator - Determines the Present Value and Accumulated Value of a Continuous Annuity
Cost Recovery MethodFree Cost Recovery Method Calculator - Given a sales price, cost, and set of payments, this determines the gross profit per year based on the cost recovery method.
Coupon ComparisonFree Coupon Comparison Calculator - Given a cost of goods, a dollar off coupon, and a percentage off coupon, this calculator will compare the two deals and determine which one is of more value. If the dollar coupon wins, the calculator will project the break even price where the dollar coupon would surpass the percentage coupon
Covariance and Correlation coefficient (r) and Least Squares Method and Exponential FitFree Covariance and Correlation coefficient (r) and Least Squares Method and Exponential Fit Calculator - Given two distributions X and Y, this calculates the following:
* Covariance of X and Y denoted Cov(X,Y)
* The correlation coefficient r.
* Using the least squares method, this shows the least squares regression line (Linear Fit) and Confidence Intervals of α and Β (90% - 99%)
Exponential Fit
* Coefficient of Determination r squared r2
* Spearmans rank correlation coefficient
* Wilcoxon Signed Rank test
Cross PartitionsFree Cross Partitions Calculator - Given a set of partitions, this determines the cross partitions.
Cross ProductFree Cross Product Calculator - Given two vectors A and B in R3, this calculates the cross product A × B as well as determine if the two vectors are parallel
Decagonal NumberFree Decagonal Number Calculator - This calculator determines the nth decagonal number
DecayFree Decay Calculator - Determines decay based on an initial mass and decay percentage and time.
Dewey Decimal System ClassificationFree Dewey Decimal System Classification Calculator - Given a 3 digit code, this will determine the class, division, and section of the library book using the Dewey Decimal System.
Digit ProblemsFree Digit Problems Calculator - Determines how many (n) digit numbers can be formed based on a variety of criteria.
Digraph ItemsFree Digraph Items Calculator - Given a digraph, this determines the leader, and symmetric matrix.
Dividend Discount ModelFree Dividend Discount Model Calculator - This calculator determines the present value of dividends using the Dividend Discount Model.
Earnings Before Interest and Taxes (EBIT) and Net IncomeFree Earnings Before Interest and Taxes (EBIT) and Net Income Calculator - Given inputs of sales, fixed costs, variable costs, depreciation, and taxes, this will determine EBIT and Net Income and Profit Margin
Elapsed TimeFree Elapsed Time Calculator - This determines the elapsed time between two clock readings.
Equivalent FractionsFree Equivalent Fractions Calculator - Given a fraction, this will determine equivalent fractions
Event LikelihoodFree Event Likelihood Calculator - Given a probability, this determines how likely that event is
Expanded NotationFree Expanded Notation Calculator - Writes the expanded notation for a number.
Expected FrequencyFree Expected Frequency Calculator - Given a contingency table (two-way table), this will calculate expected frequencies and then determine a conclusion based on a Χ2 test with critical value test and conclusion.
Factoring and Root FindingFree Factoring and Root Finding Calculator - This calculator factors a binomial including all 26 variables (a-z) using the following factoring principles:
* Difference of Squares
* Sum of Cubes
* Difference of Cubes
* Binomial Expansions
* Quadratics
* Factor by Grouping
* Common Term
This calculator also uses the Rational Root Theorem (Rational Zero Theorem) to determine potential roots
* Factors and simplifies Rational Expressions of one fraction
* Determines the number of potential positive and negative roots using Descarte’s Rule of Signs
Find two numbers word problemsFree Find two numbers word problems Calculator - Given two numbers with a sum of s where one number is n greater than another, this calculator determines both numbers.
FloorFree Floor Calculator - Determines the floor of a number
Frequency and Wavelength and Photon EnergyFree Frequency and Wavelength and Photon Energy Calculator - Provides the following 3 items using the speed of light and Plancks constant (h):
- Given a frequency of centimeters, feet, meters, or miles the calculator will determine wavelength in Hz, KHz, MHz, GHz
-
Given a wavelength of Hz, KHz, MHz, GHz, the calculator will determine frequency in centimeters, feet, meters, or miles
- Calculates photon energy
Frequency Distribution TableFree Frequency Distribution Table Calculator - Determines the classes and frequency distribution using the 2 to k rule.
Gravitational ForceFree Gravitational Force Calculator - Using Sir Isaac Newtons Law of Gravitational Force, this calculator determines the force between two objects with mass in kilograms at a distance apart in meters using the constant of gravity.
Greatest Common Factor and Least Common MultipleFree Greatest Common Factor and Least Common Multiple Calculator - Given 2 or 3 numbers, the calculator determines the following:
* Greatest Common Factor (GCF) using Factor Pairs
* Rewrite Sum using the Distributive Property and factoring out the GCF
* Least Common Multiple (LCM) / Least Common Denominator (LCD) using Factor Pairs
* GCF using the method of Successive Division
* GCF using the Prime Factorization method
* Determine if the numbers are coprime and twin prime
Greatest Common Factors of MonomialsFree Greatest Common Factors of Monomials Calculator - This calculator will determine the Greatest Common Factors of a set of Monomials
Group CombinationsFree Group Combinations Calculator - Given an original group of certain types of member, this determines how many groups/teams can be formed using a certain condition.
Half-Life of a SubstanceFree Half-Life of a Substance Calculator - Given a half-life (h) of a substance at time t, this determines the new substance size at time tn, otherwise known as decay.
Heptagonal NumberFree Heptagonal Number Calculator - This calculator determines the nth heptagonal number
Herfindahl IndexFree Herfindahl Index Calculator - Given a market share of a set of companies, this determines the Herfindahl Index and Normalized Herfindahl Index.
Hexagonal NumberFree Hexagonal Number Calculator - This calculator determines the nth hexagonal number
Incremental Cash FlowFree Incremental Cash Flow Calculator - Given cash inflows, outflows, depreciable amounts, and tax rates, this determines the incremental cash flows.
Input TableFree Input Table Calculator - Given an input table with input and output values, this will determine the operator and rule used to populate the missing values.
Installment Sales Method of AccountingFree Installment Sales Method of Accounting Calculator - Given a sales price, cost amount, installment payment amount and term, this will show the accounting for the Installment Payment method.
Int FunctionFree Int Function Calculator - Determines the integer of a number
Integers BetweenFree Integers Between Calculator - This calculator determines all integers between two numbers (Decimals)
Irrational Numbers BetweenFree Irrational Numbers Between Calculator - This calculator determines all irrational numbers between two numbers
Isosceles TriangleFree Isosceles Triangle Calculator - Given a long side (a) and a short side (b), this determines the following items of the isosceles triangle:
* Area (A)
* Semi-Perimeter (s)
* Altitude a (ha)
* Altitude b (hb)
* Altitude c (hc)
Letter Arrangements in a WordFree Letter Arrangements in a Word Calculator - Given a word, this determines the number of unique arrangements of letters in the word.
MAPE - MPE - MAPDFree MAPE - MPE - MAPD Calculator - Given a time series of actual and forecasted values, this determines the following:
* Mean Absolute Percentage Error (MAPE) also known as the Mean Absolute Percentage Deviation (MAPD)
* Symmetric Mean Absolute Percentage Error (sMAPE)
* Mean Absolute Percentage Error (MPE)
Margin of Error from Confidence IntervalFree Margin of Error from Confidence Interval Calculator - Given a confidence interval, this determines the margin of error and sample mean.
Matrix PropertiesFree Matrix Properties Calculator - Given a matrix |A|, this calculates the following items if they exist:
* Determinant = det(A)
* Inverse = A-1
* Transpose = AT
* Adjoint = adj(A)
* Eigen equation (characteristic polynomial) = det|λI - A|
* Trace = tr(A)
* Gauss-Jordan Elimination using Row Echelon and Reduced Row Echelon Form
* Dimensions of |A| m x n
* Order of a matrix
* Euclidean Norm ||A||
* Magic Sum if it exists
* Determines if |A| is an Exchange Matrix
Mcnemar TestFree Mcnemar Test Calculator - Given a 2 x 2 contingency table and a significance level, this will determine the test statistic, critical value, and hypothesis conclusion using a Mcnemar test.
ModulusFree Modulus Calculator - Given 2 integers a and b, this modulo calculator determines a mod b or simplifies modular arithmetic such as 7 mod 3 + 5 mod 8 - 32 mod 5
Net Present Value (NPV) - Internal Rate of Return (IRR) - Profitability IndexFree Net Present Value (NPV) - Internal Rate of Return (IRR) - Profitability Index Calculator - Given a series of cash flows Ct at times t and a discount rate of (i), the calculator will determine the Net Present Value (NPV) at time 0, also known as the discounted cash flow model.
Profitability Index
Also determines an Internal Rate of Return (IRR) based on a series of cash flows. NPV Calculator
Nominal YieldFree Nominal Yield Calculator - Given an effective annual rate of interest based on a compounding period, this determines the nominal yield.
Nonagonal NumberFree Nonagonal Number Calculator - This calculator determines the nth nonagonal number
Number PropertyFree Number Property Calculator - This calculator determines if an integer you entered has any of the following properties:
* Even Numbers or Odd Numbers (Parity Function or even-odd numbers)
* Evil Numbers or Odious Numbers
* Perfect Numbers, Abundant Numbers, or Deficient Numbers
* Triangular Numbers
* Prime Numbers or Composite Numbers
* Automorphic (Curious)
* Undulating Numbers
* Square Numbers
* Cube Numbers
* Palindrome Numbers
* Repunit Numbers
* Apocalyptic Power
* Pentagonal
* Tetrahedral (Pyramidal)
* Narcissistic (Plus Perfect)
* Catalan
* Repunit
Octagonal NumberFree Octagonal Number Calculator - This calculator determines the nth octagonal number
Odds RatioFree Odds Ratio Calculator - This calculator determines the odds ratio for 2 groups X and Y with success and failure for an outcome.
Ordered and Unordered PartitionsFree Ordered and Unordered Partitions Calculator - Given a population size (n) and a group population of (m), this calculator determines how many ordered or unordered groups of (m) can be formed from (n)
Ordinal NumberFree Ordinal Number Calculator - This calculator determines the ordinal number of an integer
ParabolasFree Parabolas Calculator - Determines the focus, directrix, and other related items for a parabola.
Payback PeriodFree Payback Period Calculator - Given a set of cash inflows and cash outflows at certain times, this determines the net cash flow, cumulative cash flow, and payback period
Pentagonal NumberFree Pentagonal Number Calculator - This calculator determines the nth pentagonal number
Percentage of CompletionFree Percentage of Completion Calculator - Given a sales price, total costs, and costs per period, this determines the gross profit to date using the percentage of completion method.
Percentage-Decimal-Fraction RelationsFree Percentage-Decimal-Fraction Relations Calculator - Calculates the relational items between a fraction, a decimal (including repeating decimal and terminating decimal), a percentage, and the numerator and denominator piece of that fraction. Also calculates the percentage change going from one number to another or the amount increase or decrease of a percentage above/below a number. Round decimals. decimals into fractions
PercentilesFree Percentiles Calculator - Given a set of scores and a target score, this will determine the percentile of the target score using two different formulas.
Phone Number TranslatorFree Phone Number Translator Calculator - Given a phone number with letters in it, this calculator will determine the numeric phone number for you to dial.
Pick's TheoremFree Pick's Theorem Calculator - This calculator determines the area of a simple polygon using interior points and boundary points using Pick's Theorem
Pixels Per Inch PPIFree Pixels Per Inch PPI Calculator - This calculator determines the PPI from width, height, and diagonal in inches
Polar ConicsFree Polar Conics Calculator - Given eccentricity (e), directrix (d), and angle θ, this determines the vertical and horizontal directrix polar equations.
Polygon SideFree Polygon Side Calculator - Determines the sides of a polygon given an interior angle sum.
PolygonsFree Polygons Calculator - Using various input scenarios of a polygon such as side length, number of sides, apothem, and radius, this calculator determines Perimeter or a polygon and Area of the polygon.
This also determines interior angles of a polygon and diagonals of a polygon as well as the total number of 1 vertex diagonals.
PolynomialFree Polynomial Calculator - This calculator will take an expression without division signs and combine like terms.
It will also analyze an polynomial that you enter to identify constant, variables, and exponents. It determines the degree as well.
Polynomial Long DivisionFree Polynomial Long Division Calculator - Polynomial Long Division Calculator
Population Doubling TimeFree Population Doubling Time Calculator - Determines population growth based on a doubling time.
Population GrowthFree Population Growth Calculator - Determines population growth based on an exponential growth model.
Positivity RateFree Positivity Rate Calculator - This calculator determines the positivity rate using positive tests and total tests
Power Sets and Set PartitionsFree Power Sets and Set Partitions Calculator - Given a set S, this calculator will determine the power set for S and all the partitions of a set.
Powers OfFree Powers Of Calculator - Determines the powers of a number from 1 to n.
Primitive RootFree Primitive Root Calculator - Given a prime number p and a potential root of b, this determines if b is a primitive root of p.
Profit EquationFree Profit Equation Calculator - Using the Profit Equation with inputs (Revenue-Cost-Profit-Tax), this determines the relevant output including gross proft, gross profit margin, net profit, and net profit margin.
ProportionFree Proportion Calculator - 1) Calculates the missing link of 2 equivalent proportions or ratios.
2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or not equivalent.
Note: You can use all allowable operators such as =,<,≤,>,≥
Proportion Sample SizeFree Proportion Sample Size Calculator - This calculator determines a sample size to select to meet certain criteria related to a confidence percentage, reliability percentage, and a p value proportion. Simply enter your values not using percentage signs. This works whether p^ is known or not known.
Pythagorean TheoremFree Pythagorean Theorem Calculator - Figures out based on user entry the missing side or missing hypotenuse of a right triangle. In addition, the calculator shows the proof of the Pythagorean Theorem and then determines by numerical evaluation if the 2 sides and hypotenuse you entered are a right triangle using the Pythagorean Theorem
Quadratic Equations and InequalitiesFree Quadratic Equations and Inequalities Calculator - Solves for quadratic equations in the form ax2 + bx + c = 0. Also generates practice problems as well as hints for each problem.
* Solve using the quadratic formula and the discriminant Δ
* Complete the Square for the Quadratic
* Factor the Quadratic
* Y-Intercept
* Vertex (h,k) of the parabola formed by the quadratic where h is the Axis of Symmetry as well as the vertex form of the equation a(h - h)2 + k
* Concavity of the parabola formed by the quadratic
* Using the Rational Root Theorem (Rational Zero Theorem), the calculator will determine potential roots which can then be tested against the synthetic calculator.
QuadrilateralFree Quadrilateral Calculator - Given 4 points entered, this determines the area using Brahmaguptas Formula and perimeter of the quadrilateral formed by the points as well as checking to see if the quadrilateral (quadrangle) is a parallelogram.
Random TestFree Random Test Calculator - Given a set of data and an α value, this determines the test statistic and accept/reject hypothesis based on randomness of a dataset.
Rational Numbers BetweenFree Rational Numbers Between Calculator - This calculator determines all rational numbers between two numbers
RatiosFree Ratios Calculator - * Simplifies a ratio of a:b
* Given a ratio in the form a:b or a to b, and a total population amount, this calculator will determine the expected value of A and B from the ratio.
Receivables RatiosFree Receivables Ratios Calculator - Given Net Sales, Beginning Accounts Receivable, and Ending Accounts Receivable, this determines Average Accounts Receivable, Receivables turnover ratio, and Average Collection Period.
Rectangle Word ProblemFree Rectangle Word Problem Calculator - Solves word problems based on area or perimeter and variable side lengths
Rectangular NumberFree Rectangular Number Calculator - This calculator determines the nth rectangular number
Relative CoordinatesFree Relative Coordinates Calculator - Given a starting point (x1,y1), this will determine your relative coordinates after moving up, down, left, and right.
Repeating DecimalFree Repeating Decimal Calculator - Evaluates and simplifies a repeating decimal
Run Length EncodingFree Run Length Encoding Calculator - Given a string, this will determine the run length encoding using repeating patterns of characters.
Scientific NotationFree Scientific Notation Calculator - * Converts a number into scientific notation and determines order of magnitude
* converts scientific notation to a number (standard notation). Also handles scientific notation operations.
SequencesFree Sequences Calculator - Given a function a(n) and a count of sequential terms you want to expand (n), this calcuator will determine the first (n) terms of your sequence, {a1, a2, ..., an}
Set NotationFree Set Notation Calculator - Given two number sets A and B, this determines the following:
* Union of A and B, denoted A U B
* Intersection of A and B, denoted A ∩ B
* Elements in A not in B, denoted A - B
* Elements in B not in A, denoted B - A
* Symmetric Difference A Δ B
* The Concatenation A · B
* The Cartesian Product A x B
* Cardinality of A = |A|
* Cardinality of B = |B|
* Jaccard Index J(A,B)
* Jaccard Distance Jσ(A,B)
* Dice's Coefficient
* If A is a subset of B
* If B is a subset of A
Sign TestFree Sign Test Calculator - This will determine whether to accept or reject a null hypothesis based on a number set, mean value, alternative hypothesis, and a significance level using the Sign Test.
Sinking Fund Depreciation MethodFree Sinking Fund Depreciation Method Calculator - Using the Sinking Fund method of Depreciation, this calculator determines the following:
* Depreciation at time t (Dt)
* Asset Value (A)
* Salvage Value (S)
* Book Value at time t (Bt)
Solution MixtureFree Solution Mixture Calculator - Determines a necessary amount of a Solution given two solution percentages and 1 solution amount.
Square NumberFree Square Number Calculator - This calculator determines the nth square number
Square Roots and ExponentsFree Square Roots and Exponents Calculator - Given a number (n), or a fraction (n/m), and/or an exponent (x), or product of up to 5 radicals, this determines the following:
* The square root of n denoted as √n
* The square root of the fraction n/m denoted as √n/m
* n raised to the xth power denoted as nx (Write without exponents)
* n raised to the xth power raised to the yth power denoted as (nx)y (Write without exponents)
* Product of up to 5 square roots: √a√b√c√d√e
* Write a numeric expression such as 8x8x8x8x8 in exponential form
Static Determinacy and StabilityFree Static Determinacy and Stability Calculator - Given a number of joints (j) and a number of members (m), this determines if a truss is statically determinate, statically indeterminate, or unstable
Sum of the First (n) NumbersFree Sum of the First (n) Numbers Calculator - Determines the sum of the first (n)
* Whole Numbers
* Natural Numbers
* Even Numbers
* Odd Numbers
* Square Numbers
* Cube Numbers
* Fourth Power Numbers
Sum to Product and Product to Sum FormulasFree Sum to Product and Product to Sum Formulas Calculator - Given two angles in degrees of u and v, this determines the following:
* Sin(u) ± Sin(v)
* Cos(u) ± Cos(v)
* Sin(u)Sin(v)
* Cos(u)Cos(v)
* Sin(u)Cos(v)
* Cos(u)Sin(v)
* Sin(u + v)
* Sin(u - v)
* Cos(u + v)
* Cos(u - v)
* Tan(u + v)
* Tan(u - v)
Survival RatesFree Survival Rates Calculator - Given a set of times and survival population counts, the calculator will determine the following:
Survival Population lx
Mortality Population dx
Survival Probability px
Mortality Probability qx
In addition, the calculator will determine the probability of survival from tx to tx + n
Synthetic DivisionFree Synthetic Division Calculator - Using Ruffinis Rule, this performs synthetic division by dividing a polynomial with a maximum degree of 6 by a term (x ± c) where c is a constant root using the factor theorem. The calculator returns a quotient answer that includes a remainder if applicable. Also known as the Rational Zero Theorem
Target Heart RateFree Target Heart Rate Calculator - Given an age, this calculator determines the following 5 target heart rate zones:
Healthy Heart Zone (Warm up) 50 - 60%
Fitness Zone (Fat Burning) 60 - 70%
Aerobic Zone (Endurance Training) 70 - 80%
Anaerobic Zone (Performance Training) 80 - 90%
Red Line (Maximum Effort) 90 - 100%
Temperature ChangeFree Temperature Change Calculator - This calculator determines the total temperature change
TrapezoidsFree Trapezoids Calculator - This calculator determines the following items for a trapezoid based on given inputs:
* Area of trapezoid
* Perimeter of a Trapezoid
Triangle InequalityFree Triangle Inequality Calculator - This calculator displays 2 scenarios
1) Enter 3 sides of a triangle, and it will determine if the side lengths satisfy the properties of the triangle inequality and form a triangle
2) Enter 2 sides of a triangle, and this will determine an acceptable range for the length of the 3rd side of a triangle so that the 3rd side respects the Triangle Inequality.
Triangular NumberFree Triangular Number Calculator - This calculator determines the nth triangular number. Generates composite numbers.
Trig MeasurementFree Trig Measurement Calculator - Given an angle θ, this calculates the following measurements:
Sin(θ) = Sine
Cos(θ) = Cosine
Tan(θ) = Tangent
Csc(θ) = Cosecant
Sec(θ) = Secant
Cot(θ) = Cotangent
Arcsin(x) = θ = Arcsine
Arccos(x) = θ = Arccosine
Arctan(x) =θ = Arctangent
Also converts between Degrees and Radians and Gradians
Coterminal Angles as well as determine if it is acute, obtuse, or right angle. For acute angles, a cofunction will be determined. Also shows the trigonometry function unit circle
True False EquationsFree True False Equations Calculator - Determines if a set of addition and subtraction of numbers on each side of an equation are equivalent.
Also known as true or false equations
Unit CircleFree Unit Circle Calculator - Determines if coordinates for a unit circle are valid, or calculates a variable for unit circle coordinates
Unit FractionFree Unit Fraction Calculator - Determines the unit fraction for a fraction.
Unknown NumberFree Unknown Number Calculator - Determines the unknown number needed to make an equation true.
VectorsFree Vectors Calculator - Given 2 vectors A and B, this calculates:
* Length (magnitude) of A = ||A||
* Length (magnitude) of B = ||B||
* Sum of A and B = A + B (addition)
* Difference of A and B = A - B (subtraction)
* Dot Product of vectors A and B = A x B
A ÷ B (division)
* Distance between A and B = AB
* Angle between A and B = θ
* Unit Vector U of A.
* Determines the relationship between A and B to see if they are orthogonal (perpendicular), same direction, or parallel (includes parallel planes).
* Cauchy-Schwarz Inequality
* The orthogonal projection of A on to B, projBA and and the vector component of A orthogonal to B → A - projBA
Also calculates the horizontal component and vertical component of a 2-D vector.
VolatilityFree Volatility Calculator - Given a set of stock prices, this determines expected rates of return and volatility
Walking Distance (Pedometer)Free Walking Distance (Pedometer) Calculator - Given a number of steps and a distance per stride in feet, this calculator will determine how far you walk in other linear measurements.
Wind Chill FactorFree Wind Chill Factor Calculator - This calculator determines the wind chill factor given a temperature in F° and a wind speed in miles per hour (mph). Simply enter your temperature and wind speed and press the button
Z Score LookupFree Z Score Lookup Calculator - Given a Z-score probability statement from the list below, this will determine the probability using the normal distribution z-table.
* P(z < a)
* P(z <= a)
* P(z > a)
* P(z >= a)
* P(a < z < b)
Calculates z score probability
Zero-Coupon Bond PriceFree Zero-Coupon Bond Price Calculator - This calculator calculates the price of a zero-coupon bond given a face value, yield rate, and term.
