Function: exp

exp is a function defined in floatfns.c.

Signature

(exp ARG)

Documentation

Return the exponential base e of ARG.

Other relevant functions are documented in the number group.

View in manual

Probably introduced at or before Emacs version 24.3.

Shortdoc

;; number
(exp 4)
    => 54.598150033144236

Source Code

// Defined in /usr/src/emacs/src/floatfns.c
{
  double d = extract_float (arg);
  d = exp (d);
  return make_float (d);
}