Hp 39g Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 145)

The symbols for differentiation and integration are available

directly form the keyboard—|d/dx | and I respectively—as

well as from the MATH menu.

d Differentiates expression with respect to the variable of

differentiation. From the command line, use a formal name

(SI, etc.) for a non-numeric result. See “Finding derivatives”

on page 10-23.

dvariable{expression)

Example

Ssl (sl^+3*sl) returns 2*sl+3

f Integrates expression from lower to upper limits with respect

to the variable of integration. To find the definite 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.).

I (lower,upper,expression,variable)

See “Using formal variables” on page 10-22 for further

details.

Example

Calculus functions

TAYLOR

f ( 0, si, 2*X+3 , X) I ENTER I gHSOH I ENTER I finds the

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

See “To find the indefinite integral using formal

variables” on page 10-25 for more information on

finding indefinite integrals.

Calculates the ijth order Taylor polynomial of expression at

the point where the given variable = 0.

TAYhOR(expression,variable,n)

Example

TAYLOR (1 + sin(sl)^,sl,5) with Radians angle

measure and Fraction number format (set in MODES)

returns l + sl^2-l/3*sl"'4 .

Using mathematical functions

10-7

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Hp 39g Graphing Calculator Manuel d'utilisateur Page 145