From 12f72cca8055df3bd4d489d76c149564eca8ee0d Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sat, 16 Sep 2023 18:07:20 -0400
Subject: update man page

---
 doc/func.1 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/func.1 b/doc/func.1
index 364cdf6..a5df513 100644
--- a/doc/func.1
+++ b/doc/func.1
@@ -31,3 +31,7 @@ Convert radians to degrees.
 .TP
 .B rad
 Convert degrees to radians.
+.
+.TP
+.B fac
+Factorial (!) function.
-- 
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