CAS command question

[DrD]

(01-06-2017 06:57 PM)chromos Wrote:  This works:
lhs("(1/3)*x+(1/6)*y<=80")

Implicit multiplication was used as the test case. This is fair, because it's an example a student might encounter directly from a workbook problem. If you can find input workarounds, that is not quite the same thing. The debate hinges on what a left() or a lhs() command, should consistently return.