% exp(-t) \SCALEVARIABLEfunction {-1}{\EXPfunction} {\NEGEXPfunction} % exp(-t)cos(t) \PRODUCTfunction {\NEGEXPfunction} {\COSfunction} {\NEGEXPCOSfunction} % 3t^2-2exp(-t)cos(t) \LINEARCOMBINATIONfunction {3}{\SQUAREfunction} {-2}{\NEGEXPCOSfunction} {\myfunction} \myfunction{5}{\sol}{\Dsol} If \[ f(t)=3t^2-2\mathrm{e}^{-t}\cos t \] then \[ \begin{gathered} f(5)=\sol\\ f'(5)=\Dsol \end{gathered} \]