File: m4.info,  Node: Arithmetic,  Next: Shell commands,  Prev: Text handling,  Up: Top

12 Macros for doing arithmetic
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Integer arithmetic is included in ‘m4’, with a C-like syntax.  As
convenient shorthands, there are builtins for simple increment and
decrement operations.

* Menu:

* Incr::                        Decrement and increment operators
* Eval::                        Evaluating integer expressions