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-rw-r--r--doc/script_commands.txt28
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diff --git a/doc/script_commands.txt b/doc/script_commands.txt
index 831e0a744..13b154560 100644
--- a/doc/script_commands.txt
+++ b/doc/script_commands.txt
@@ -7646,6 +7646,34 @@ Example:
---------------------------------------
+
+*floor(<number>)
+
+Returns the number rounded down.
+
+Example:
+ .@i = floor(2.5); // .@i will be 2
+
+---------------------------------------
+
+*ceil(<number>)
+
+Returns the number rounded up.
+
+Example:
+ .@i = ceil(2.5); // .@i will be 3
+
+---------------------------------------
+
+*log(<number>)
+
+Returns log base 10 of the number.
+
+Example:
+ .@i = log(100); // .@i will be 2
+
+---------------------------------------
+
*sqrt(<number>)
Returns square-root of number.