proof - an inferential argument for a mathematical statement, showing that the stated assumptions logically guarantee the conclusion
Additive Identity PropertyFree Additive Identity Property Calculator - Displays the line by line proof for the additive identity property
Numerical Properties
Consecutive Interior AnglesFree Consecutive Interior Angles Calculator - Shows you a proof of consecutive interior angles using parallel lines and a transversal
DeMorgans LawsFree DeMorgans Laws Calculator - Demonstrates DeMorgans Laws including the proof
ProofsFree Proofs Calculator - Various Proofs in Algebra
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
Pythagorean Theorem Trig ProofsFree Pythagorean Theorem Trig Proofs Calculator - Shows the proof of 3 pythagorean theorem related identities using the angle θ:
Sin2(θ) + Cos2(θ) = 1
Tan2(θ) + 1 = Sec2(θ)
Sin(θ)/Cos(θ) = Tan(θ)
Rule of 72Free Rule of 72 Calculator - Calculates how long it would take money to double (doubling time) using the rule of 72 interest approximation as well as showing the mathematical proof of the Rule of 72.
Two Column ProofFree Two Column Proof Calculator - Shows you the details behind a two column proof including the five parts and examples
