Texas Instruments TI-86 - Finding the Square Root; Calculating Derivatives

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 1400QWIKST.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

Paste the square root function to the screen. (:) - ˆ

Enter a value for which you want to find the
square root.
144

Evaluate the expression. The square root of
144
is displayed.
b
Calculating Derivatives

Display the
CALC
menu, and then select
der1
.
(:)
- †
(
CALC
menu

Enter an expression (
x
2
) with respect to a
variable (
x
) at a given point (
8
).
2 I P 2
P
8
E

Evaluate. The first derivative of
x
2
with
respect to
x
at
8
is displayed.
b