Template:Trunc

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template:Trunc (edit•talk•links•history) truncates a given number or the result of a given numerical expression to a whole number by removing any fraction (digits after the decimal point).

Examples:

{{ Trunc|3.2}} = 3,   {{ Trunc|-3.2}} = -3

{{ Trunc|1.6}} = 1,   {{ Trunc|-1.6}} = -1

{{ Trunc|0.8}} = 0,   {{ Trunc|-0.8}} = 0

{{ Trunc|0.4}} = 0,   {{ Trunc|-0.4}} = 0

{{ Trunc|9-9}} = 0,   {{ Trunc|-0.0}} = 0

It can be better to evaluate expressions once outside of Trunc:

{{Trunc|{{#expr: 4.5 / 3 }}}} = 1

Trunc supports optional substitution with subst=subst:

{{ subst:Trunc|numerical expression|subst=subst: }}

To copy the code into another template use only subst:

{{ subst:Trunc|{{{x|1}}} }} inserts code for {{{x|1}}}

template:Roundtozero (edit•talk•links•history) offers more features, it's also more complex.