HP 20b Business Consultant - Storing and Recalling Numbers

Mathematical Calculations
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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 .