Disabling Operations; Neutral Operations - HP 33s Owner's Manual

Rpn/alg scientific calculator
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Disabling Operations

The four operations ENTER, Σ+, Σ–, and CLx disable stack lift. A number keyed in
after one of these disabling operations writes over the number currently in the
X–register. The Y–, Z– and T–registers remain unchanged.
In addition, when
The INPUT function disables stack lift as it halts a program for prompting (so any
number you then enter writes over the X–register), but it enables stack lift when the
program resumes.

Neutral Operations

The following operations do not affect the status of stack lift:
DEG, RAD,
GRAD
PSE
Ä
u
{  }**
EQN
Switching binary
windows
Except when used like CLx.
Including all operations performed while the catalog is displayed except
Ï
{  }
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
Å
~
and
act like CLx, they also disable stack lift.
FIX, SCI,
ENG, ALL
SHOW
¥
and STOP
u
{  }**
FDISP
Digit entry
t
and {  }
, which enable stack lift.
Size : 13.7 x 21.2 cm
DEC, HEX,
CLVARS
OCT, BIN
RADIX .
CLΣ
RADIX ,
×
Ø
Å
and
r Ë Ë
GTO
£
Errors
program entry
User Memory and the Stack
Page : 386
~
* and
*
Ë
label nnnn
and
B–5

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