HP 32SII User Manual

Page 48

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2–10 The Automatic Memory Stack

File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm

Suppose you made a mistake while calculating

16

×

19 = 304.

There are three kinds of mistakes you could have made:

Wring

Calculation:

Mistake: Correction:

16

š

19

„

Wrong function

z

Ž

™

z

Ž

y

15

š

19

y

Wrong first number 16

z

Ž

y

16

š

18

y

Wrong second

number

z

Ž

p

19

y

Reusing Numbers with LAST X

You can use

z

Ž

to reuse a number (such as a constant) in a

calculation. Remember to enter the constant second, just before executing the
arithmetic operation, so that the constant is the last number in the X–register,
and therefore can be saved and retrieved with

z

Ž

Example:

Calculates

3947

.

52

3947

.

52

704

.

96

+

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