PeriodicAnswers

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Periodic Answers

This PG code shows how to check student answers that are periodic.

Problem Techniques Index

PG problem file	Explanation
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", ); TEXT(beginproblem());	Initialization:
Context("Numeric"); $answer = Real("pi/2")->with(period=>pi);	Setup: This is self-explanatory.
BEGIN_TEXT Enter a solution to \( \cos(\theta) = 0 \). $BR $BR \( \theta = \) \{ ans_rule(10) \} END_TEXT	Main Text:
$showPartialCorrectAnswers = 1; ANS( $answer->cmp() ); ENDDOCUMENT();	Answer Evaluation:

Problem Techniques Index