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Description
This is a standard number evaluator which does not allow the trig functions sin, cos, tan, sec, csc, cot in the answer, and does not allow a decimal answer. Useful if you want to require an answer of the form 1/sqrt(2) or pi/2.
Syntax
exact_no_trig(ans_string)
Params
ans_string: A string which evaluates to a number
Action
Produces an answer evaluator which checks student's answer as a number. Student's answer cannot contain one of the trig functions or a decimal point
Returns
an answer evaluator
See Also
no_trig_fun
must_have_filter
no_trig
Macro Definition File
PGasu.pl
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