D
Reserved Variables D - 1
10.Reserved Variables
The hp49g+/hp48gII uses the following reserved variables. These have specific purposes, and their names are
used as implicit arguments for certain commands. Avoid using these variables’ names for other purposes, or
you may interfere with the execution of the commands that use these variables.
You can change some of the values in these variables with programmable commands, while others require
you to store new values into the appropriate place.
Reserved Variable What It Contains Used By
αENTER
Program run on ENTER Vectored ENTER
ALRMDAT
Alarm parameters. TIME ALRM operations
βENTER
Program run after ENTER Vectored ENTER
CST
List defining the CST
(custom) menu.
MENU, „£
“der”- names
User-defined derivative.
∂
ENVSTACK
Flags and current path PUSH, POP
EQ
Current equation. ROOT, DRAW
EXITED
Program run after EDIT EDIT
EXPR
Current expression. SYMBOLIC
IOPAR
I/O parameters. I/O commands
MASD.INI
Valid source code. Compiler
MHpar
Minehunt game status. MINEHUNT
Mpar
Multiple-Equation Solver
equations.
EQ LIB
n1, n2, …
Arbitrary integers. ISOL, QUAD
Nmines
Minehunt game data. MINEHUNT
PPAR
Plotting parameters. DRAW
PRTPAR
Printing parameters. PRINT commands
REALASSUME
List of variable names of reals CAS
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