HP 50g Quick Start Manual page 12

16. Upon exiting, you will notice that the left side of the screen has numbers from 1-7 (see Figure 5). Press the 2 key, followed by the
key. Press the 3
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numbered 1-7. The number 2. is on Level 3 of the stack, as it corresponds to the number 3: on the left. Also, check the header.
When the calculator is in RPN mode, the ALG annunciator is no longer displayed (see Figure 6).
Press ENTER again and notice how a copy is made of Level 1 on the stack (see Figure 7). This is a useful feature, as it allows you
17.
to save your previous work. Let's now multiply 4x4. Since 4 is already stored on both Level 1 and Level 2, simply press
result, 16., is placed on the stack, and the other two numbers move down. You now should have, from top to bottom, 2., 3. and 16.
on the stack.
Figure 5
6 Getting Started
4 keys, in that order, followed by ENTER. The three numbers appear on different levels of the stack,
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Figure 4
Figure 6
. The
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Figure 7