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# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content
:algebra, complex, complex number
real part, imaginary part, real, imaginary, argument, modulus
:operation, complex number
:, Complex number
:$submit1
<input type="text" name="formula" size="30" value="(2 + 3i)/(5 - 2i)">
(real and imaginary parts, modulus, argument)