Hp 33s User Manual Page 28

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1–12 Getting Started
HP 33s Annunciators
Annunciator Meaning Chapter
£
The "
£
(Busy)" annunciator blinks while an
operation, equation, or program is
executing.
c
d
When in Fraction–display mode (press
{
), only one of the "
c
" or "
d
" halves
of the "
cd
"' annunciator will be turned on
to indicate whether the displayed
numerator is slightly less than or slightly
greater than its true value. If neither part of
"
cd
"' is on, the exact value of the fraction
is being displayed.
5
¡
Left shift is active. 1
¢
Right shift is active. 1
RPN Reverse Polish Notation mode is active. 1, 2
ALG Algebraic mode is active. 1, C
PRGM Program–entry is active. 12
EQN Equation–entry mode is active, or the
calculator is evaluating an expression or
executing an equation.
6
0 1 2 3 4 Indicates which flags are set (flags 5
through 11 have no annunciator.
13
RAD or GRAD Radians or Grad angular mode is set. DEG
mode (default) has no annunciator.
4
HEX OCT BIN Indicates the active number base. DEC
(base 10, default) has no annunciator.
10
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