HP 35s Instruction Manual page 4

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HP 35s Using the LOGIC functions
In algebraic mode, press:
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Answer: 77714 base 8. Figure 6 shows the result in RPN mode. Figure 7 shows the result in algebraic mode.
Example 3: Perform an NOR on these two binary numbers: #1011 b and #1001 b. Make sure the calculator is in
BINARY mode to enter the base 2 numbers. Do not forget to append the "b" suffix to the binary numbers.
Solution:
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In RPN mode, press:
In algebraic mode, press:
¹>
Answer: Figures 8, 9, and 10 show the result in algebraic mode. This display indicates an arrow pointing to the right
which indicates that the answer scrolls off the screen in that direction. Press ºÕ to view the rest of the
result. The leading 1's in the answer are due to the 36 bit word length on the HP 35s. Since both binary
numbers would have had all leading bits equal to zero, the NOR function returns a 1 for each of those zero
bits. The last four bits reflect the NOR of the entered digits. Only the second entered bit was a zero in both
numbers and NOR returns a 1 for that bit location.
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Figure 6
Figure 7
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Figure 8
Figure 9
Figure 10
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HP 35s Using the LOGIC functions - Version 1.1