HP 20b HP 20b Calculator Quick Start Guide - Page 31

Storing and Recalling Numbers

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Mathematical Calculations 3. Press 3=. The results are shown Figure 2-3. Figure 2-3 In RPN mode, key in the numbers first, followed by I, then press the function key. For example, for the power function example above, in RPN press: 15I3:h. Storing and Recalling Numbers EURO has ten calculation memories available for use during calculations. These memories are numbered from 0-9. To store numbers, press :$; to recall them, press L. You can use the store and recall functions for these memories any time a number is displayed, or when you wish to enter a number. To store a number in a memory: 1. Key in a number, x. 2. Press :$. 3. With STO displayed on the top line, key in a number, 0-9, to identify the number of the memory register where you wish to store x. 31

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Mathematical Calculations
31
3.
Press
3=
.
The results are shown Figure 2-3.
Figure 2-3
In RPN mode, key in the numbers first, followed by
I
, then press the
function key. For example, for the power function example above, in RPN press:
15I3:h
.
Storing and Recalling Numbers
EURO has ten calculation memories available for use during calculations. These
memories are numbered from 0-9. To store numbers, press
:$
; to recall
them, press
L
. You can use the store and recall functions for these memories
any time a number is displayed, or when you wish to enter a number. To store a
number in a memory:
1.
Key in a number,
x
.
2.
Press
:$
.
3.
With
STO
displayed on the top line, key in a number, 0-9, to identify the
number of the memory register where you wish to store
x
.