basicarith – Macros for typesetting basic arithmetic

The package provides macros for typesetting basic arithmetic, in the style typically found in textbooks. It focuses on the American style of performing these algorithms.

It is written mostly in low-level TeX, with the goal that it should run in either plain TeX or LaTeX, but there are two constructions that currently prevent this. It is highly configurable, with macros and lengths described in the documentation.

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