**II. Menu Keys - Keys that offer
choices**

C. CALC (Calculus Menu)Several of these functions can also be found in the graph MATH menu when you have a function graphed.

1. evalF

(expression, variable, value)Evaluates an expression for a given value.

Press .2. nDer

(expression, variable, value)Approximates the numerical value of a derivative.

Press .3. der1

(expression, variable, value)Approximates the numerical value of the first derivative.

Press .4. der2

(expression, variable, value)Approximates the numerical value of the second derivative.

Press .

5. fnInt

(expression, variable, lower bound, upper bound)Approximates a definite integral.

Press .6. fMin

(expression, variable, lower bound, upper bound)

7. fMax(expression, variable, lower bound, upper bound)These will find the local maximum and local minimum of a function over a specified interval. The number given is only an approximation. For fMin, press . For fMax, press .

8. arc

(expression, variable, lower bound, upper bound)Evaluates the length of a segment of a curve over a given interval.

Press .