Chapter 1: Operating the TIN73
19
7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99
8:58 AM Page 19 of 24
1. Calculate 3
4
using the
Ans
feature.
-l:
3
M
3
b
M
3
b
M
3
b
2. Check your answer, if
desired.
3
7
4
b
Using Ans as a Variable in an ExpressionUsing Ans as a Variable in an Expression
Since
Ans
is a variable, you can use it in expressions just as
you would any other variable. When the expression is
evaluated, the TIN73 uses the value of
Ans
in the calculation.
For more information about variables, see the next two
sections in this chapter entitled, Storing Values to a Variable
and Recalling Variable Values.
Calculate the area of a garden plot 1.7 meters by 4.2 meters.
Then calculate the yield per square meter if the plot produces
a total of 147 tomatoes.
1. Calculate the area.
-l:
1.7
M
4.2
b
2. Divide 147 by
Ans
, which
was calculated in the first
step.
147
F-¢b
³
³
Ans=7.14
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