© 1999 T
EXAS 
I
NSTRUMENTS 
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
43
Keys
1.
%
 
l
 turns on the constant mode and
lets you define a constant. A 
K
 displays
when the constant mode is on.
2.
<
 places the contents of 
K
 at the end
of the expression in the display.
Notes
• 
The examples on the transparency masters
assume all default settings.
• 
All functions, except statistics, work in
constant mode.
• 
To enter a constant:
1. Press 
%
 
l
. If a constant is
already stored, press 
-
 to clear
it.
2. Enter your constant (any set of
operations, functions, and values).
3. Press 
<
 to turn on the constant
mode. 
K
 appears in the display.
4. Press 
-
 to clear the display.
5. Enter an initial value. If you do not
enter a value, 0 is assumed, and 
Ans
will appear in the display.
6. Press 
<
 to place the contents of
K 
at the end of the expression and
evaluate it.
7. Continue pressing 
<
 to repeat
the constant.
The result is stored in 
Ans
, which is
displayed, and the constant is used
to evaluate the new expression.
1
2
Constant
5