Last Answer - Texas Instruments TI-80 Manual Book

Last Answer

When an expression is evaluated successfully from the Home screen or from a
program, the TI.80 stores the answer to a variable, ANS (Last Answer). ANS may
be a decimal number, a fraction, or a list. When you turn the TI.80 off, the value
in ANS is retained in memory.
Using Last
Answer (ANS) in
an Expression

Continuing an
Expression

Storing Answers

1-16 Operating the TI-80
You can use the variable
most places. When you press y ±, the variable name
is copied to the cursor location. When the expression is
evaluated, the TI-80 uses the value of
Calculate the area of a garden plot that is 1.7 meters by 4.2
meters. Then calculate the yield per square meter if the plot
produces a total of 147 tomatoes.
p
1.7 4.2
¸
y
e ±
147
¸
You can use the value in
expression without entering the value again or pressing
±. On a blank line on the Home screen, enter the function.
The TI-80 "types" the variable name
function.
e
5 2
¸
p
9.9
¸
To store an answer, store
evaluate another expression.
Calculate the area of a circle of radius 5 meters. Then
calculate the volume of a cylinder of radius 5 meters and
height 3.3 meters. Store the result in the variable
y
a
T 5
¸
p
3.3
¸
§ ?
V
¸
to represent the last answer in
ANS
ANS
ANS as the first entry in the next
ANS followed by the
ANS to a variable before you
ANS
in the calculation.
y
V .