From 22ed7f473a5c1e1db722286f98b2457a74cc1ca7 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Tue, 4 Mar 2014 23:54:02 -0800
Subject: * arith.c (logten): New function.

* eval.c (eval_init): logten registered as intrinsic.

* lib.h (logten): Declared.

* txr.1: Documented.
---
 txr.1 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'txr.1')

diff --git a/txr.1 b/txr.1
index 22f99f62..deff8d86 100644
--- a/txr.1
+++ b/txr.1
@@ -9778,13 +9778,14 @@ functions.  The <num> argument to asin and acos must be in the
 range -1.0 to 1.0. The atan2 function converts the rectilinear coordinates
 <x>  and <y> to an angle in polar coordinates in the range [0, 2pi).
 
-.SS Functions log, exp
+.SS Functions exp, log, log10
 
 .TP
 Syntax:
 
   (exp <number>)
   (log <number>)
+  (log10 <number>)
 
 .TP
 Description:
@@ -9795,6 +9796,9 @@ the specified exponent.
 The log function calculates the base e logarithm of its argument, which must
 be a positive value.
 
+The log10 function calculates the base 10 logarithm of its argument, which must
+be a positive value.
+
 Integer arguments are converted to floats.
 
 .SS Functions expt, sqrt, isqrt
-- 
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