Template:Roundtozero

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This template rounds towards zero (aka truncates) a numeric expression to a limited number of decimal places.

Usage
{{Roundtozero|expression}}
{{Roundtozero|expression|decimals}}
Both parameters can be any valid numeric expression.
The decimals parameter defaults to 0 and is rounded to the nearest integer.
decimals can be negative to round down to a multiple of a power of ten.
Examples
{{Roundtozero|3.14159|3}} = 3.141
{{Roundtozero|-3.14159|3}} = -3.141
{{Roundtozero|314159|-3}} = 314000
{{Roundtozero|-314159|-3}} = -314000
{{Roundtozero|+1/3}} = 0
{{Roundtozero|2<1}} = 0
{{Roundtozero|-1/3}} = 0
{{Roundtozero|-2/3}} = 0
For expressions containing equal signs use 1=expression - the second example fails
{{Roundtozero|1=3<=4}} = 1
{{Roundtozero|3<=4}} = Expression error: Unexpected < operator.