# 3.2.1 Entering Values

Lengths and Distances can be entered in a variety of formats;

  12ft 4 1/2in, 12' 4.5", 148.500, 1.234m, 123.4cm or 1234mm are all valid values.

  Pressing the Equal Sign (`=`) key after an entry will reformat the value entered to your preferred length format (Section 2.10.7).

  Pressing the "`p`" key after an entry will convert a prototype measurement to a scale measurement by dividing the value entered by the ratio for the current scale.

  Pressing the "`s`" key after an entry will convert a scale measurement to a prototype measurement.