# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:calculus
derivative, differentiation, function

:datatype, function
operation, derivative

:, Differentiate the Function

:
 $submit1
f(x) = <input name="formula" type="text" size="35" value="x^2 + 1/x + exp(x)">
