Disabling operations, Neutral operations – HP 35s Scientific Calculator User Manual

Page 305

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User Memory and the Stack

B-5

Disabling Operations

The five operations

,

/

,

-

,



() and

() 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

and

act like CLx, they also disable stack lift.

The INPUT function disables stack lift as it halts a program for prompting (so any
number then entered 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

FIX, SCI,
ENG, ALL

DEC, HEX,
OCT, BIN

CLVARS

PSE

SHOW

RADIX . RADIX , CL

Σ

h

and STOP

×

and

Ø

* and

*



(1)**



(2)**





label nnn

EQN

FDISP

Errors

and program

entry

Switching binary
windows

Digit entry

xiy r

θ

a

:

Except when used like CLx.

Including all operations performed while the catalog is displayed except

{}

and {}

, which enable stack lift.

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