Function: log10

log10 is a byte-compiled function defined in subr.el.gz.

This function is obsolete since 24.4; use log instead.

Signature

(log10 X)

Documentation

Return (log X 10), the log base 10 of X.

Probably introduced at or before Emacs version 24.3.

Source Code

;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defun log10 (x)
  "Return (log X 10), the log base 10 of X."
  (declare (ftype (function (number) float))
           (side-effect-free t) (obsolete log "24.4"))
  (log x 10))