Testing for numeric quantities. Pi is a symbol, so Pi+3 is not explicitly a number. It does however have a numerical value.

In doing a calculation with Mathematica, you usually go through a sequence of steps. If you want to, you can do each step on a separate line. Often, however, you will find it ...

In any interactive session, Mathematica effectively operates in a loop. It waits for your input, processes the input, prints the result, then goes back to waiting for input ...

ParallelMap[f, expr] applies f in parallel to each element on the first level in expr.ParallelMap[f, expr, levelspec] applies f in parallel to parts of expr specified by ...

MomentGeneratingFunction[dist, t] gives the moment generating function for the symbolic distribution dist as a function of the variable t. MomentGeneratingFunction[dist, ...

The precise details of the naming of files differ from one computer system to another. Nevertheless, Mathematica provides some fairly general mechanisms that work on all ...

An important feature of string manipulation functions like StringReplace is that they handle not only literal strings but also patterns for collections of strings. This ...

CPreprocessorIfdef[cond] is a symbolic representation of a preprocessor ifdef conditional.CPreprocessorIfdef[cond, true, false] represents the true and false cases.

CPreprocessorIf[cond] is a symbolic representation of a preprocessor if conditional.CPreprocessorIf[cond, true, false] represents the true and false cases.

CPreprocessorIfndef[cond] is a symbolic representation of a preprocessor ifndef conditional.CPreprocessorIfndef[cond, true, false] represents the true and false cases.