Recently published items

Calculating the original amount when told that $p\%$ is $x$. The value given and the original values are both integers.

Draws a triangle based on 3 side lengths and randomises asking for hypotenuse or not.

Solving $\log(y)+\log(x)=\frac{1}{n}\log(ay^n)$ for $x$, where $a$ and $n$ are positive integers.

Draws a triangle based on 3 side lengths.  Randomises asking angle or side.

Draws a triangle based on 3 side lengths.  Randomises asking angle or side.

Draws a triangle based on 3 side lengths.  Randomises asking angle or side.

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Given a discrete random variable (as a formula) calculate:
E(X), Var, std dev, cumulative distribution and probabilties.

Round numbers to a given number of decimal places.

Calculating the integral of a function of the form $a \cos(bx)$ using a table of integrals.