to view the calculus menu.
Press 
to view more options.
Press 
to select
evalF which evaluates the given function for any value of x.
Press 
to select
numerical derivative which numerically finds
the first derivative of any function with respect to a given variable.
Press 
to select
der1 which algebraically finds
the first derivative of a function with respect to a given variable.
Press 
to select
der2 which algebraically finds
the second derivative of a function with respect to a given variable.
Press 
to select
fnInt which numerically computes
a definite integral.
Press
to select fmin finds the relative minimum value of a
function over a given range.
Press
to select fmax finds the relative maximum value of a
function over a given range.
Press
to select arc numerically calculates the distance
between two points along a curve.