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One special interpretation of algebraic formulas is as numbers with units.
For example, the formula ‘`5 m / s^2`’ can be read “five meters
per second squared.” The commands in this chapter help you
manipulate units expressions in this form. Units-related commands
begin with the `u` prefix key.

• Basic Operations on Units: | ||

• The Units Table: | ||

• Predefined Units: | ||

• User-Defined Units: | ||

• Logarithmic Units: | ||

• Musical Notes: |