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Flags
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Flags
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The HP-41C flags are an important programming tool in your calculator. A flag
actually is a memory that can either be SET or CLEAR. A running program can then
test the flag later in the program and make a decision, depending on whether
the flag was set or clear.
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There are 30 ‘‘user’’ flags (numbered 00 through
29) available in your HP-41C. In addition, there are 26
‘‘system’’ flags (numbered 30 through 55) that
have limited uses to you in your programs. On pages
210 and
211 are tables
showing HP-41C flags and their basic capabilities. The HP-41C has six
functions that allow you to manipulate the flags.
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Three of the flag functions are on the normal mode keyboard. They are:
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The other flag functions are not on the keyboard, but can be assigned
to the keyboard for execution in USER mode, or executed from the display
(refer to section 4).
These flag functions are:
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When you execute one of the six flag functions, the HP-41C prompts you for the
flag number (00 through 55) you wish to operate upon.
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