HP 48GII User Manual

Full Command and Function Reference 3-115
If either or both of the arguments are algebraic objects, then the result is an algebraic of the form
symb
1
OR symb
2
. Execute →NUM (or set flag –3 before executing OR) to produce a numeric
result from the algebraic result.
Access: …ãL
LOGIC OR (ãis the right-shift of the 3key).
!°
TEST L OR ( °is the left-shift of the Nkey).
Flags: Numerical Results (-3), Binary Integer Wordsize (-5 through -10)
Input/Output:
Level 2/Argument 1 Level 1/Argument 2 Level 1/Item 1
#n
1
#n
2
→
#n
3
“string
1
” “string
2
”
→
“string
3
”
T/F
1
T/F
2
→
0/1
T/F 'symb'
→
'T/F OR symb'
'symb' T/F
→
'symb OR T/F'
'symb
1
' 'symb
2
'
→
'symb
1
OR symb
2
'
See also: AND, NOT, XOR
ORDER
Type: Command
Description: Order Variables Command: Reorders the variables in the current directory (shown in the VAR
menu) to the order specified.
The names that appear first in the list will be the first to appear in the VAR menu. Variables not
specified in the list are placed after the reordered variables.
If the list includes the name of a large subdirectory, there may be insufficient memory to execute
ORDER.
Access: !°
MEMORY DIRECTORY L ORDER ( °is the left-shift of the Nkey).
Input/Output:
Level 1/Argument 1 Level 1/Item 1
{ global
1
... global
n
}
→
See also: VARS
OVER
Type: RPL command
Description: Over Command: Returns a copy to stack level 1 of the object in level 2.
Access: !°
STACK OVER ( °is the left-shift of the Nkey).
Input/Output:
Level 2 Level 1 Level 3 Level 2 Level 1
obj
1
obj
2
→
obj
1
obj
2
obj
1
See also: PICK, ROLL, ROLLD, ROT, SWAP
P2C
CAS: Decompose a permutation into lists that represent cycles.
PA2B2
CAS: Given prime p, with p=2 or modulo 4, return Gaussian integer a + ib such that p = a
2
+ b
2
.
p
1≡

HP 48GII Specifications

General

Battery type	CR2032
Type	Scientific
Form factor	Pocket

Weight and Dimensions

Weight	220 g
Dimensions (WxDxH)	184 x 87 x 23.5 mm

Summary

RPL Programming

Understanding Programs

Programs as objects, delimiters, and basic structure.

Entering and Executing Programs

Details on how to create, store, and run programs.

Using Conditional Structures

Covers IF, CASE, IFT, IFTE structures for program decision-making.

Input and Output Commands

Details commands like PROMPT, INPUT, INFORM, CHOOSE for user interaction.

RPL Programming Examples

Fibonacci Numbers

Demonstrates recursive and loop-based Fibonacci calculations.

Minimum and Maximum Array Elements

Details finding min/max elements using MNX and MNX2.

Applying a Program to an Array

Explains the APLY command for transforming array elements.

Full Command and Function Reference

How to Access Commands and Functions

Explains key presses and menu paths to access commands.

ABS (Absolute Value)

Details the absolute value function and its array behavior.

ACOS (Arc Cosine)

Explains the inverse cosine function, domain, and range.

Computer Algebra Commands

CAS Operations

Overview of CAS operations and their categorization by menu.

Algebra commands

Lists and describes commands for algebraic manipulation.

Calculus Commands

Covers derivation, integration, and limit commands.

Equation Reference

Columns and Beams (1)

Provides equations for structural mechanics.

Electricity (2)

Lists equations related to electrical circuits and laws.

Fluids (3)

Covers equations for fluid mechanics.

The Development Library

Introduction

Explains the purpose and usage of the development library.

Tools for Development

Details APEEK, PEEK, POKE, POKEARM commands.

MASD Compiler

Discusses syntax, modes, and directives for MASD.

Error and Status Messages

Messages Listed Alphabetically

Alphabetical list of error messages.

Messages Listed Numerically

Numerical list of error messages by hex code.

System Flags

System Flags (continued)

Description of various system flags.

System Flags (continued)

Continuation of system flags description.

Reserved Variables

Contents of the Reserved Variables

Explanation of key reserved variables.

PPAR

Details plotting parameters.

Technical Reference

Object Sizes

Lists object sizes in bytes.

Symbolic Integration Patterns

Provides a table of symbolic integration patterns.

Parallel Processing With Lists

General rules for parallel processing

Explains conditions for parallel list processing.

Group 4: ADD and +

Describes how ADD and + handle parallel list operations.

Keyboard Shortcuts

Press and Hold key combinations

Lists functions performed by key combinations.

Shifted softkeys

Explains shift key effects on menu labels.

The Menu-Number Table

-- menus 0-117 are semi-compatible with 48G menus --

Menu numbers and paths for built-in menus.

-- New Library 222 commands --

Details commands available in Library 222.