(Simplifying Formulas, Rewrite Rules): Change description of

(Simplifying Formulas, Rewrite Rules): Change description of
top and bottom of fraction.

(Modulo Forms): Move description of how to create modulo forms to
earlier in the section.

(Fraction Mode): Suggest using : to get a fraction by dividing.

(Basic Arithmetic): Adjust placement of command name.

(Truncating the Stack): Emphasize that "hidden" entries are still
visible.

(Installation): Move discussion of printing manual to "About This
Manual".

(About This Manual): Mention how to print the manual.

(Reporting Bugs): Remove first person.

(Building Vectors): Add algebraic version of append.

(Manipulating Vectors): Fix algebraic version of calc-reverse-vector.

(Grouping Digits): Fix typo.