Texas Instruments TINSPIRE Manual Book page 444

3. Under
Link To
The cell shows the value of the variable.
Using a variable in a calculation
After storing a value in a variable, you can use the variable name in an
expression as a substitute for the stored value.
1. Enter the expression:
– Type 4*25*num^2
–
Handheld:
·
.
Calculator substitutes 517, the value currently assigned to num, and
evaluates the expression.
2. Enter the expression:
– Type 4*25*nonum^2
–
Handheld:
·
.
CAS: Because the variable nonum has not been defined, it is treated
algebraically in the result.
Because the variable nonum has not been defined, the expression
returns an error message.
Entering multiple statements on the entry line
To enter several statements on a single line, separate them with a colon
(":"). Only the result of the last expression is shown.
432 Using Variables
, scroll to the name of the variable and click it.
on the entry line, and press
r r
Type 4 25
, and press
r r
Type 4 25
num^2 on the entry line, and press
.
Enter
nonum^2 on the entry line, and press
.
Enter