Calculator 413
5. Press · to paste _m to the entry line.
6. Select the Conversion Operator (¢) at the top of the Units list, and
press · to paste it to the entry line.
7. Select _ft from the Length category, and press ·.
8. Press · to evaluate the expression.
CAS: Creating a user-defined unit
As with the pre-defined units, user-defined unit names must begin with
an underscore symbol.
Example: Using the pre-defined units _ft and _min, define a unit named
_fpm that lets you enter velocity values in feet per minute and convert
velocity results to feet per minute.