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Finding the square root, Calculating derivatives – Texas Instruments TI-86 User Manual

Page 19

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Quick Start

7

00QWIKST.DOC TI-86, Quick Start, US English Bob Fedorisko Revised: 02/13/01 1:51 PM Printed: 02/13/01 2:59 PM Page 7 of 14

00QWIKST.DOC TI-86, Quick Start, US English Bob Fedorisko Revised: 02/13/01 1:51 PM Printed: 02/13/01 2:59 PM Page 7 of 14

Finding the Square Root

ᕡ Paste the square root function to the screen. (:) - ˆ

ᕢ Enter a value for which you want to find the

square root.

144

ᕣ Evaluate the expression. The square root of

144

is displayed.

b

Calculating Derivatives

ᕡ Display the

CALC

menu, and then select

der1

.

(:)
- †
(

CALC

menu

ᕢ Enter an expression (

x

2

) with respect to a

variable (

x

) at a given point (

8

).

2 I P 2
P

8

E

ᕣ Evaluate. The first derivative of

x

2

with

respect to

x

at

8

is displayed.

b