Function: math-read-radix-digit
math-read-radix-digit is an autoloaded and byte-compiled function
defined in calc-misc.el.gz.
Signature
(math-read-radix-digit DIG)
Source Code
;; Defined in /usr/src/emacs/lisp/calc/calc-misc.el.gz
;;;###autoload
(defun math-read-radix-digit (dig) ; [D S; Z S]
(if (> dig ?9)
(if (< dig ?A)
nil
(- dig 55))
(if (>= dig ?0)
(- dig ?0)
nil)))