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Calculus

Functions

You will find the symbols for the calculus functions derivative

and integral in the CHARS menu (■ [CHARS]) as well as the

MATH menu.

Differentiates expression with respect to the variable of

differentiation. Use a formal variable (si, etc.) for a non

numeric result.

doariable(expression)

Example: asl (sl^+3*sl) returns 2*sl+3

Integrates expression from lower to upper limits with respect to

the variable of integration. To find the definite (numeric)

integral, both limits must have numeric values (that is, be

numbers or real variables). To find the indefinite integral, one

of the limits must be a formal variable (si, etc.).

/ {lower, upper, expression, variable')

Example; /( 0, si, 2*X+3 , X) |ENTER| |T| ffCOPY}} |enter]

finds the indefinite result 3*sl+2*(sl''2/2)

TAYLOR

Calculates the nth order Taylor’s polynomial of expression at the

point where the given variable =0.

TAYLOR {expresslon,variable,n)

2-16 Mathematical Calculations