Texas TI-86 用户手册
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
� 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
P
8
E
� Evaluate. The first derivative of
x
2
with
respect to
x
at
8
is displayed.
b