Texas Instruments TI-86 - Using Ans Preceding a Function; Storing Results to a Variable

30
Chapter 1: Operating the TI
-
86
01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 30 of 2201OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 30 of 22
To copy the variable name
Ans
to the cursor location, press
- ¡
. You can use the
variable
Ans
anywhere that the value stored to it is valid. When the expression is evaluated,
the TI
-
86 calculates the result using the value stored in
Ans
.

Calculate the area of a garden plot
1.7
meters
by
4.2
meters.

Calculate the yield per square meter if the plot
produces a total of
147
tomatoes.
1
`
7
M
4
`
2
b
147
F -
¡
b
Using Ans Preceding a Function
Previous answers are stored to
Ans
. If you begin an expression by entering a function that
requires a preceding argument, the TI
-
86 automatically enters
Ans
as the argument.

Enter and execute an expression.

Enter a function without an argument.
Ans
is
pasted to the screen, followed by the function.
5
F
2
b
M
9
`
9
b
Storing Results to a Variable

Calculate the area of a circle with radius
5
meters.

Calculate the volume of a cylinder of radius
5
meters and height
3.3
meters.

Store the result to the variable
V
.
- ~
5
I
b
M
3
`
3
b
X
ã
V
ä
b