Texas Instruments TI-80 Calculator User Manual


 
6 Getting Started
To save keystrokes, you can use the Last Entry feature to recall the last
expression entered and then edit it for a new calculation. In addition, the next
expression can be continued from the previous result.
1. The next guess should be less than, but close to, 12
years. Compute the amount available at the end of
11.9 years, using the Last Entry feature. Press
2
,
followed by
²
(the second function of
¸
).
The last calculated expression is shown on the next
line of the display. The cursor is positioned at the end
of the expression.
2. You can edit the expression. Press
6
to move the
cursor over the
2
. Then type
1.9
to change
12
to
11.9
.
Press
¸
to evaluate the expression.
Note: This process can be continued to obtain a
solution with the desired accuracy.
3. You can continue a calculation using the result of the
last calculation. For example, if the final amount
determined above is to be divided among seven
people, how much would each person get?
To divide the last calculation by seven, press
e
7
,
followed by
¸
.
As soon as you press
e
,
ANS
à
is displayed at the
beginning of the new expression.
ANS
is a variable
that contains the last calculated result. In this case,
ANS
contains 2000.505716.
Continuing a Calculation