There's an important distinction between using the / and \ operators in doing
division in CF. Using the forward slash (/) returns real division, with all
decimal points intact, as one would expect. Using the back slash (\) returns
integer division, without the decimal points. Examples:
returns 2.5
returns 2
The documentation does list the 2 operators, but doesn't distinguish the
effect. It can certainly change the value if mixed up in code, though it can
of course be a benefit if you intend to ignore the decimal points.
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