Texas Instruments TI-89 Manuel D’Utilisation
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Symbolic Manipulation
239
Temporarily Overriding a Variable
Temporarily Overriding a Variable
Temporarily Overriding a Variable
Temporarily Overriding a Variable
By using the
“
with
”
operator ( | ), you can:
Note:
For more information about the | operator, refer to Typing the “With” Operator.
To type the
“
with
”
operator ( | ), press:
@
Í
All one-letter variables (a – z) in the
current folder.
current folder.
Note:
For information about folders,
refer to the Calculator Home Screen
module.
module.
From the Home screen
Clean Up menu, select
Clean Up menu, select
1:Clear a-z
. You will be
prompted to press
¸ to
confirm the deletion.
•
Temporarily override a variable’s defined
value.
value.
•
Temporarily define a value for an
undefined variable.
undefined variable.
To delete:
Do this: