Texas Instruments CBL 2 User Manual
10
© 2003 Texas Instruments Incorporated.
Using subtraction
T and negation a keys
•
Use T to enter subtraction operations.
•
Use a to enter a negative number in an operation, expression, or on
a setup screen.
a setup screen.
Note:
The TI-73 Explorer™ subtraction and negation symbols appear
slightly different to make them easier to distinguish. The negative
symbol is raised and slightly shorter.
symbol is raised and slightly shorter.
Example: Subtract 10 from 25.
Example: Subtract
L10 from 25.
Example:
Subtract
L5 from 25.
Press
Result
2 5
T
1 0
b
Press
Result
2
5
T a
1 0
b
Press
Result
2
5
T T
5
b
Note:
If you use the
subtraction key instead of
the negation key, an error
message will appear. (See
“Error messages” on
page 28.)
the negation key, an error
message will appear. (See
“Error messages” on
page 28.)
Result uncha
Try another f
Try another f
Simplification
complete.
complete.
b/c mode.
b/c mode.