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

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