lispdoc - results for exp

(exp number)

Function: Return e raised to the power NUMBER.

Example:

(defun simp-rule (rule)
  "Transform a rule into proper format."
  (let ((exp (infix->prefix rule)))
    (mkexp
     (expand-pat-match-abbrev (exp-lhs exp))
     (exp-op exp) (exp-rhs exp))))

Mentioned in:
CLtL2 - 12.5.1. Exponential and Logarithmic Functions
CLtL2 - 12.5.3. Branch Cuts, Principal Values, and Boundary Conditions in the Complex Plane
HyperSpec - Function EXP, EXPT
PCL - functions as data aka higher order functions
PCL - higher math
PCL - inverse chi square