Free π Digits Calculator - Calculates PI (π) to a set number of decimal places using the Gauss-Legendre Algorithm.

Free Accuracy and Precision Calculator - Given an integer or decimal, this determines the precision and accuracy (scale)

Free Babylonian Method Calculator - Determines the square root of a number using the Babylonian Method.

Free Balance with Interest Calculator - Calculates the final account balance given a beginning balance, interest rate, and interest crediting period.

Free Base Change Conversions Calculator - Converts a positive integer to Binary-Octal-Hexadecimal Notation or Binary-Octal-Hexadecimal Notation to a positive integer. Also converts any positive integer in base 10 to another positive integer base (Change Base Rule or Base Change Rule or Base Conversion)

Free Basic Math Operations Calculator - Given 2 numbers, this performs the following arithmetic operations:
* Addition (Adding) (+)
* Subtraction (Subtracting) (-)
* Multiplication (Multiplying) (x)
* Long division (Dividing) with a remainder (÷)
* Long division to decimal places (÷)
* Partial Sums (Shortcut Sums)
* Short Division
* Duplication and Mediation

Free Bit Shifting Calculator - Performs a bit shift left or a bit shift right on a decimal or binary number

Free Bitwise Operations Calculator - Performs bitwise operations between two decimal or binary numbers:
* Bitwise OR
* Bitwise AND
* Bitwise XOR

Also performs Bitwise NOT on 1 number

Free Continued Fraction Calculator - Shows the continued fraction for a fraction

Free Decimal Degree Minutes Seconds Calculator - Convertes decimal degrees to degrees, minutes, seconds or degrees, minutes seconds, to decimal degrees

Free 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.

Free Effective Annual Yield Rate Calculator - Figures out the effective annual yield rate of interest entered by compounding daily, weekly, semi-monthly, monthly, quarterly, semi-annually, and continuously.

Free Estimate Decimals Calculator - This calculator estimates a decimal.

Free Int Function Calculator - Determines the integer of a number

Free Integers Between Calculator - This calculator determines all integers between two numbers (Decimals)

Free 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

Free 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

Free Place Value Calculator - Given a whole number or a decimal, the calculator will perform place number analysis on each place in your number.
For the whole and decimal portion, the calculator goes out to the 100 trillion mark.

Free Rational Numbers Between Calculator - This calculator determines all rational numbers between two numbers

Free Rational,Irrational,Natural,Integer Property Calculator - This calculator takes a number, decimal, or square root, and checks to see if it has any of the following properties:
* Integer Numbers
* Natural Numbers
* Rational Numbers
* Irrational Numbers Handles questions like: Irrational or rational numbers Rational or irrational numbers rational and irrational numbers Rational number test Irrational number test Integer Test Natural Number Test

Free Repeating Decimal Calculator - Evaluates and simplifies a repeating decimal

Free Rounding to Decimal Places Calculator - Rounds a number to a select number of decimal places

Free Shading Decimals Calculator - This calculator shades a grid for a decimal.

Free Truncate Calculator - Truncates a number to a specified number of decimal places. Truncates decimals.