Balanced; adjusted; fair; equitable; impartial; just to both side; owing nothing on either side; said of accounts, bargains, or persons indebted; as, our accounts are even; an even bargain
We say that a function, f, is even, if it satisfies the equation f(-x) = f(x) for all values of x This terminology is based on the fact that all even power functions (e g , x2, x4, x-6, etc ) satisfy this equation
{s} smooth, straight, level; parallel; equal; uniform; consistent; calm, not easily excited or angered; fair; divisible by two, able to be divided exactly by two (Mathematics)