An easy to use calculator that calculates the coefficients in a binomial expansion of the form.
$$(a x + b y)^n = \sum_{k=0}^{n} {n\choose k} (a x)^{nk} (a y)^k$$
How to use the calculator
Enter coefficients $a$ and $b$ as intgers, decimals or fractions of the form p/q as shown in the example below . Enter the exponent $n$ as a positive integer gretaer than 1 and press "enter".
