DOCUMENT();

# Load whatever macros you need for the problem
loadMacros("PG.pl",
           "PGbasicmacros.pl",
           "PGchoicemacros.pl",
           "PGanswermacros.pl",
           "PGauxiliaryFunctions.pl",
           "PGgraphmacros.pl",
          );
 
## Do NOT show partial correct answers
$showPartialCorrectAnswers = 0;

BEGIN_TEXT
$BR


Give 4 or 5  significant digits for (floating point) numerical answers.
For most problems when entering numerical answers, you can if you wish
enter elementary expressions such as \( 2\wedge3 \) instead of 8, \( sin(3*pi/2)
\)instead
of -1, \( e\wedge (ln(2)) \) instead of 2,
\( (2+tan(3))*(4-sin(5))\wedge6-7/8 \) instead of 27620.3413, etc.

Here's the 
\{
htmlLink(qq!http://webwork.math.rochester.edu/webwork_system_html/docs/docs/pglanguage/availablefunctions.html!,"list of the functions") \}
which WeBWorK understands.
$PAR
END_TEXT

ENDDOCUMENT();