proof - an inferential argument for a mathematical statement, showing that the stated assumptions logically guarantee the conclusion
Free Additive Identity Property Calculator - Displays the line by line proof for the additive identity property Numerical Properties
Free Consecutive Interior Angles Calculator - Shows you a proof of consecutive interior angles using parallel lines and a transversal
Free DeMorgans Laws Calculator - Demonstrates DeMorgans Laws including the proof
Free 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
Free 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)
Free 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.
Free Two Column Proof Calculator - Shows you the details behind a two column proof including the five parts and examples
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