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HP-28S
Manual
HP -28S Manual
Advanced scientific calculator
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Also See for HP-28S
:
Owner's manual
(342 pages)
,
Quick reference
(49 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
How to Use this Manual
What's in this Manual
For more Information
Part 1: Fundamentals
Getting Started
Preliminaries
Opening and Closing the Case
Locating the Battery Door and Printer Port
Turning the HP-28S on and off
Clearing All Memory (Memory Reset)
Adjusting the Display Contrast
Keyboard Calculations
An Overview of the Calculator
Major Features and Concepts
The Catalog of Commands
Doing Arithmetic
Entering and Displaying Numbers
Changing the Decimal Point
Selecting Number Display Mode
Keying in Numbers
One-Number Functions
Two-Number Functions
Addition and Subtraction
Multiplication and Division
Powers and Roots
Percentages
Swapping Levels 1 and 2
Clearing Objects from the Stack
Chain Calculations
If You Execute the Wrong Function
Using Variables
Introduction to Variables
Creating a Numerical Variable
Recalling a Numerical Variable
Evaluating a Numerical Variable
Changing the Value of a Variable
Purging a Variable
Changing the Name of a Variable
Creating a Program Variable
Recalling a Program Variable
Evaluating a Program Variable
Quoted and Unquoted Names
Repeating Calculations
Creating an Expression
Creating a Directory
Using the Solver to Repeat a Calculation
Using a Different Set of Values
Using a Different Expression
Returning to HOME
Summary
Real-Number Functions
Trigonometric Functions
Selecting Angle Mode
Using
Converting Angular Measure
Logarithmic, Exponential, and Hyperbolic Functions
Other Real Functions
Defining New Functions
Complex-Number Functions
Using Complex Numbers
Using Polar Coordinates
User Function for Polar Addition
Plotting
Printing a Plot
Changing the Scale of the Plot
Translating the Plot
Redefining the Corners of the Plot
Plotting Equations
The Solver
Finding a Zero of an Expression
Finding a Minimum or Maximum
Time Value of Money
Symbolic Solutions
Finding the Zeros of a Quadratic Expression
Isolating a Variable
Expanding and Collecting
Using FORM
Calculus
Differentiating an Expression
Step-By-Step Differentiation
Complete Differentiation
Integrating an Expression
Symbolic Integration of Polynomials
Numerical Integration of Expressions
Vectors and Matrices
Vectors
Keying in a Vector
Multiplying and Dividing a Vector by a Number
Adding and Subtracting Vectors
Finding the Cross Product
Finding the Dot Product
Matrices
Keying in a Matrix
Viewing a Large Matrix
Inverting a Matrix
Finding the Determinant
Multiplying Two Arrays
Multiplying Two Matrices
Multiplying a Matrix and a Vector
Solving a System of Linear Equations
Statistics
Entering Data
Editing Data
Single-Sample Statistics
Finding the Mean
Finding the Standard Deviation
Finding the Variance
Paired-Sample Statistics
Specifying a Pair of Columns
Finding the Correlation
Finding the Covariance
Finding the Linear Regression
Finding Predicted Values
Selecting the Wordsize
Binary Arithmetic
Selecting the Base
Entering Binary Integers
Calculating with Binary Integers
Unit Conversion
The UNITS Catalog
Converting Units
Converting Unit Strings
Checking for the Correct Units
User Functions for Unit Conversion
Printing
Printing the Display
Printing a Running Record
Printing Level 1
Printing the Stack
Printing a Variable
Part 2: Summary of Calculator Features
Objects
Real Numbers
Complex Numbers
Binary Integers
Strings
Arrays
Lists
Names
Programs
Expressions
Equations
Symbolic Constants
Operations, Commands, and Functions
The Command Line
The Cursor Menu
Some Entry Keys
Object Delimiters and Separators
Entry Modes
Exceptions
Manual Selection of Entry Modes
How the Cursor Indicates Modes
Executing the Command Line
Editing Existing Objects
Recovering Command Lines
The Command Line as a String
The Stack
Review of Stack Concepts
Viewing the Stack
Manipulating the Stack
Local Variables
Recovering the Last Arguments
Restoring the Stack
The Stack as a List
Memory
User Memory
Global Variables
Directories
Recovery Features
Low Memory
Maximizing Performance
Menus
Menus of Commands
Menus of Variables
Menus of Operations
Custom Menus
Catalog of Commands
Finding a Command
Checking Command Use
Evaluation
Data-Class Objects
Name-Class Objects
Evaluation of Local Names
Evaluation of Global Names
Procedure-Class Objects
Evaluation of Programs
Evaluation of Algebraics
Evaluation of Functions
Modes
General Modes
Entry and Display Modes
Recovery Modes
Mathematical Exceptions
Printing Modes
System Operations
Printing the Display
Contrast Control
Clearing Operations
Attention
Memory Reset
System Halt
Test Operations
Repeating Test
Part 3: Programming
Program Structures
Local-Variable Structure
Conditional Structures
IFTE (If-Then-Else-End Function)
1FT (If-Then-End Command)
Error Traps
Definite Loop Structures
Start
FOR Counter
Indefinite Loop Structures
While
Nested Program Structures
Interactive Programs
Asking for Input
Asking for a Choice
Programming Examples
Box Functions
BOXS (Surface of a Box)
BOXS Without Local Variables
BOXR (Ratio of Surface to Volume of a Box)
Fibonacci Numbers
FIB2 (Fibonacci Numbers, Loop Version)
Comparison of Fibl and FIB2
Single-Step Execution
Expanding and Collecting Completely
MULTI (Multiple Execution)
EXCO (Expand and Collect Completely)
Displaying a Binary Integer
PAD (Pad with Leading Spaces)
PRESERVE (Save and Restore Previous Status)
BDISP (Binary Display)
Summary Statistics
SUMS (Summary Statistics Matrix)
Median of Statistics Data
SORT (Sort a List)
LMED (Median of a List)
MEDIAN (Median of Statistics Data)
Changing Directories
UP (Move to a Parent Directory)
DOWN (Move to a Subdirectory)
Appendixes & Indexes
Assistance, Batteries, and Service
Answers to Common Questions
Batteries
Calculator Maintenance
Environmental Limits
Determining if the Calculator Requires Service
Limited One-Year Warranty
If the Calculator Requires Service
Regulatory Information
Notes for Algebraic Calculator Users
Menu Map
Key Index
Subject Index
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Quick Links
1
Adjusting the Display Contrast
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See also:
Owner's Manual
HP-28S
Flin-
HEWLETT
~I:.. PACKARD
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