Calculator User Manual

26
Chapter 1: Operating the TI
-
86
01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 26 of 2201OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 26 of 22
When you select a function, instruction, or operator, a symbol comprising one or more
characters is pasted to the cursor location. Once the symbol is pasted to the cursor
location, you can edit individual characters.
For example, assume that you pressed
- w / / * & & b
to paste
yMin
to the cursor location as part of an expression. Then you realized you wanted
xMin
.
Instead of pressing nine keys to select
xMin
, you can simply press
! ! ! ! 2
.
Entering Consecutive Entries
To enter two or more expressions or instructions
consecutively, separate each from the next with a colon
(
- 
). When you press
b
, the TI
-
86 executes
each entry from left to right and displays the result of the last expression or instruction. The
entire group entry is stored in last entry (page 28).
The Busy Indicator
When the TI
-
86 is calculating or graphing, a moving vertical line is displayed as the busy
indicator in the top-right corner of the screen. When you pause a graph or a program, the
busy indicator is replaced by the pause indicator, a moving vertical dotted line.
Interrupting a Calculation or Graph
To interrupt a calculation or graph in progress, press
^
. When you interrupt a calculation,
the
ERROR 06 BREAK
message and menu are displayed.
♦
To return to the home screen, select
QUIT
(press
*
).
♦
To go to the beginning of the expression, select
GOTO
(press
&
). Press
b
to
recalculate the expression.
In the example, the
¶
symbol
indicates that the value
before it is to be stored to the
variable after it (Chapter 2).
To paste
¶
to the screen,
press
X
.