Using a variable in an expression, Editing an expression – Texas Instruments TI-86 User Manual
Page 16
4
Quick Start
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 4 of 14
ᕢ Enter the variable name to which you want
to store the last answer. ALPHA-lock is on.
ã
V
ä
ᕣ Store the last answer to the variable. The
stored value is displayed on the next line.
b
Using a Variable in an Expression
ᕡ Enter the variable, and then square it.
(:)
1 ã
V
ä I
ᕢ Evaluate. The value stored to the variable
V
is squared and displayed.
b
Editing an Expression
ᕡ Enter the expression
(25+14)(4
N
3.2)
.
(:)
D
25
\
14
E
D
4
T
3
`
2
E
ᕢ Change
3.2
to
2.3
.
! ! ! !
2
"
3
ᕣ Move the cursor to the beginning of the
expression and insert a value. The insert
cursor blinks between
3
and
25
.
- ! - p
3
ᕤ Evaluate. The result is displayed.
b
When ALPHA-lock is on and
you press a key, the letters
printed in blue above the
keys are pasted to the
screen. In the example, press
Z
to enter a V.
You need not move the
cursor to the end of the line
to evaluate the expression.