Handling a difficulty – Texas Instruments TI-86 User Manual
Page 404
392
Appendix
99APPX.DOC TI-86, Appendix, US English Bob Fedorisko Revised: 02/27/01 1:20 PM Printed: 02/27/01 1:26 PM Page 392 of 26
99APPX.DOC TI-86, Appendix, US English Bob Fedorisko Revised: 02/27/01 1:20 PM Printed: 02/27/01 1:26 PM Page 392 of 26
99APPX.DOC TI-86, Appendix, US English Bob Fedorisko Revised: 02/27/01 1:20 PM Printed: 02/27/01 1:26 PM Page 392 of 26
CHAR GREEK Menu
- Ÿ '
MISC GREEK
INTL
a
b
g
@
d
4
H
q
l
m
r
4
G
s
ι
f
J
CHAR INTL (International Letter Symbols) Menu
- Ÿ (
MISC GREEK
INTL
´
`
^
¨
Handling a Difficulty
ᕡ If you cannot see anything on the screen, you may need to adjust the contrast (Chapter 1).
♦
To darken the screen, press and release -, and then press and hold $.
♦
To lighten the screen, press and release -, and then press and hold #.
ᕢ If an error menu is displayed, follow the steps in Chapter 1. Refer to the Error Conditions section
of the Appendix (page 393) for details about specific errors, if necessary.
ᕣ If a checkerboard cursor ( Ä ) is displayed, then either you have entered the maximum number
of characters in a prompt or memory is full. If memory is full, press - ™ ', select a data
type, and then delete some items from memory (Chapter 17).
ᕤ If the busy indicator (dotted line) is displayed in the top-right corner, a graph or program has
paused; the TI
-86 is waiting for input. Press b to continue or press ^ to break.
ᕥ If the calculator does not seem to work at all, be sure the batteries are fresh and that they are
installed properly. Refer to battery information in Chapter 1.
All CHAR GREEK menu items
are valid variable-name
characters, including the first
letter.
p
(
-
~
) is not valid
as a character;
p
is a
constant on the TI
-
86.