# SetUnit

`SetUnit ?unit`

## Description

Set up the unit of measure used in all procedures (except for font sizes).

## Parameters

`unit`
  User unit. Possible values are:
  - `pt`: point
  - `mm`: millimeter
  - `cm`: centimeter
  - `in`: inch
  A point equals 1/72 of inch, that is to say about 0.35 mm (an inch being 2.54 cm). This is a very common unit in typography; font sizes are expressed in that unit.
  Default value is `mm`.

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