Calculator for determining whether a function is an even function and an odd function.
The calculator is able to determine whether a function is even or odd. As a reminder, a function f is even if f (-x) = f (x), a function is odd if f (-x) = -f (x). When the function is neither odd nor odd, the calculator specifies the calculation steps that lead to the result When the function is even, the computer returns 0, when it is odd, the computer returns the value 1, When the function is neither odd nor odd, it returns the value -1.