MATH 120 Discrete Mathematics
Help with ISETL

Here is some information on using ISETL. These do not show all of the commands available in ISETL, only the things likely to be useful in this course.

Note that the File | New command will open a Text window. Commands will only run in the Execution window.

Keywords    These words and commands have special meanings for ISETL.

Predefined Functions    Here are the most commonly used functions, things like floor and abs.

Directives    You may not need these often, but they can be useful.

Special Symbols    Certain symbols have special meanings as well.

Writing functions, loops, and set formers    The basic patterns and some general advice