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22
Specific Features of the HP-34C
To recall a copy of 7 from R ;:
Keystrokes
Display
0.0000
s
3.1416
Storage Register Arithmetic. Registers R, through Ry in your HP-34C
are used for the direct storage register arithmetic operations described in
Solving Problems With Your Hewlett-Packard Calculator. However, all
storage registers (R, through Ry, R through R 4, and I) can be used to
perform indirect storage register arithmetic (we'll coverthis subjectlater,
in section 7).
Number Alteration Keys
Besides (chs), your HP-34C has three keys provided for altering
numbers: (ABS],
, and (FRAC].
Absolute Value
Somecalculations require the absolute value, or magnitude, of a number.
To obtain the absolute value of the numberin the displayed X-register,
press (n]followed by the
(absolute value) key. For example, to
find the absolute value of -3.
Keystrokes
Display
3
-3.
)
3.0000
Integer Portion of a Number
To extract and display the integer portion of a number, press the (h]
prefix key followed by the (iNT](integer) key. For example, to display
only the integer portion of the number 111.222.
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