SE701:screencasts:lstu013:wiki:exact rational arithmetic
Exact Rational Arithmetic by Lachlan Stuart
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<embed src="https://www.se.auckland.ac.nz/courses/SOFTENG701/resources/lstu013-3.swf" height="650" width="820"/>
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Sources:
- Common Lisp HyperSpec
Also hosted externally here if you can't see it above.
2 mins long