Answer 1st question, it will make it basic opperations (+ - x /) or advanced, which is squaring, cubing, or square rooting. To pick the operation/term: + = addition - = subtraction x (the letter) = multipullcation / (backslash) = division ^2 = squaring ^3 = cubing sqrt = square rooting
Also, in math you cannot get a square root to get a number, so it will say NaN.
