
Exaiupl«?: C'alculate
IcEearICD 15 0LijJtll) -06
@ 14.5 (EVAL1
1: 1?.Z413?93103
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Using the EquationWriter
When the equations or calculations get more complicated, the
HP 48 offers a special way to enter algebraic exjtressioiis-—the
EquaiionWriier. You don't use tick-marks in the EquationWriter
because everything you create there is an algebraic. Try some
exa.mples to see how it works.
Exaiinjle: Repeat the previous example using the EquationWriter.
Step 1: Chll up the EquationWriter and enter the equation.
till -QUAfTIOM I
15 0 .06 0 14.5
Step 2: Evaluate the expression.
f EVAL)
1: 17.2413733103
Example:
Using the EquationWriter, find a. real number
approximation for the following expression:
/ \
3t +4
1 +
2
1 +
11
\ ^\| V /
Step 1: Create the large parenthetical expression.
Arithmetic 3-5
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