there is support not only for approximate real numbers, but also for exact numbers represented in algebraic or symbolic form. Functions like Floor
are all in effect set up to "prove theorems"—often using original algorithms developed at Wolfram Research—to give values with exact inputs.
, Max —
minimum or maximum of numbers or lists
clip to between -1 and +1 or other limits
rescale to run between 0 and 1
general piecewise function
test whether an expression is an integer