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# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content
:algebra, elementary algebra
polynomial, factor, root, expand
:datatype, polynomial
:operation, Expand
operation, Factor
operation, Roots
:<td style="text-align:center;" style="text-align:center;" NOWRAP>Polynomial<br>
<input type="text" name="formula" size="40" value="(x - 1)^4 - (x + 2)^4">
<td align="right" valign="center">
$submit1
$submit2
$submit3