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HP·18C

Business Consultant

Owner's Manual

FliU-

HEWLETT

PACKARD

Edition

1 April 1986

Reorder

Number

00018-90001

y r

I-

Main Page

Table of Contents5
List of Examples13
How to Use this Manual15
- Starting to Use the HP-18C17
Installing the Batteries17
Turning the HP-18C on and off17
Setting the Display Contrast17
Using the Display18
Using the Keyboard19
- The . Key22
The IINPUT I Key22
Doing Arithmetic22
Negative Numbers23
Using a Result in Another Calculation24
Editing and Clearing the Calculator Line24
The History Stack25
Clearing the Display25
Using the Alphabetic Keys25
Using the Menu Keys27
The MAIN Menu27
Changing Menus and Reading Menu Maps28
Doing Calculations Using Menus31
Making a Graceful IEXITI32
Clearing the Display and Menu Variables33
When the HP-18C Doesn't Understand What You Want33
Custom Menus33
How to Use and Reuse Calculator Memory34
- Arithmetic35
Introduction35
Using the Calculator Line35
Simple Arithmetic35
- Keys35
Chain Calculations36
Percent37
Other Keyboard Arithmetic38
- Using Parentheses in Calculations39
Recalling Numbers to the Calculator Line39
- Using the History Stack39
The LAST I Key41
Using Registers41
Doing Arithmetic Inside Registers43
- Keys43
The MATH Menu Functions44
Changing the Number of Displayed Decimal Places45
Interchanging the Period and Comma in Numbers46
Scientific Notation46
- General Business Calculations49
Introduction49
Percent Change49
Percent of Total51
Markup on Cost52
Markup on Price53
Clearing the BUS Variables55
Sharing Variables between Menus55
- Cost=455
  - Markup%C56
  - Time Value of Money57
- Introduction57
- The TVM Menu59
- Cash Flow Diagrams and Signs of Numbers60
- TVM Calculations61
- Clearing the TVM Variables62
- Loan Calculations62
- Calculate67
- Amortization68
- Savings Calculations71
- Leasing Calculations75
- Interest Rate Conversions79
- Clearing the ICONV Variables80
  - Cash Flow Calculations83
- Introduction83
- The CFLO Menu83
- Using Number Lists85
- Cash Flow Diagrams and Signs of Numbers85
- Entering Cash Flows87
- Viewing and Editing the List88
- Cash Flow Calculations88
  - Running Total and Statistics Calculations97
- Introduction97
- The SUM Menu97
- Using Number Lists99
- Entering Numbers and Viewing the Running Total99
- Viewing and Editing the List100
Statistics Calculations with SUM Lists102
Curve Fitting and Forecasting104
- Working with Number Lists111
Introduction111
How Number Lists Are Stored112
Inserting a Number into a List112
Deleting a Number from a List112
Copying a List Number to the Calculator Line113
Creating New Number Lists113
Naming and Renaming Number Lists113
Viewing the List Name114
Switching Number Lists (GET)114
Clearing a Number List116
- Time, Alarms, and Date Arithmetic117
Introduction117
Viewing the Time and Date117
Setting the Time and Date118
Changing the Time and Date Formats120
Adjusting the Clock Setting120
Alarms121
Viewing and Setting an Alarm121
Editing Alarm Settings123
Acknowledging an Alarm123
Unacknowledged Alarms124
Clearing Alarms124
Date Arithmetic126
Determining the Day of the Week for any Date126
Calculating the Number of Days between Dates127
Determining Past or Future Dates128
Clearing the Date Arithmetic Variables128
- The Formula Solver129
Introduction129
The Formula List131
The SOLVE Menu131
Entering Formulas132
Calculations with Custom Menus133
Clearing User-Variables134
Viewing Long Formulas134
Editing a Formula135
Naming a Formula136
Shared User-Variables136
Deleting the Current Formula And/Or Its User-Variables137
Deleting All Formulas And/Or Their User-Variables138
Summary of Clear and Delete Operations138
How the Solver Works139
Halting and Restarting a Numerical Search140
Entering Guesses140
Writing Formulas that the Solver Understands143
Solver Functions146
Conditional Expressions150
- Printing153
Introduction153
Printing Modes154
The Print Annunciator154
Trace Mode155
Manual Print Mode156
Printing Values Stored and Calculated Using Menus156
Printing Descriptive Notes158
Printing an Amortization Table158
- Appendix A: Customer Support, Warranty, and Service161
- Obtaining Help in Operating the Calculator161
Answers to Common Questions161
Limited One-Year Warranty163
What We will Do163
What Is Not Covered164
Warranty for Consumer Transactions in the United Kingdom164
Obligation to Make Changes164
Warranty Information165
Determining if the Calculator Requires Service165
Confirming Calculator Operation-The Self-Test166
If the Calculator Requires Service167
Obtaining Service in the United States168
Obtaining Service in Europe168
International Service Information169
Shipping Instructions169
Service Agreements170
Service Charge170
Warranty on Service170
- Appendix B: more about HP-18C Calculations171
IRR% Calculations171
Halting and Restarting the IRR% Calculation172
Storing a Guess for IRR172
Solver Calculations173
Direct Solutions174
Numerical Solutions175
Actuarial Functions180
General Business181
Time Value of Money182
Amortization182
Interest Rate Conversions183
Cash Flow Calculations183
Sum and Statistics184
Forecasting185
- Appendix C: Caring for and Using Your187
Batteries187
Low Power Indicator187
Installing Batteries187
Resetting the Calculator189
Erasing Continuous Memory190
Managing Calculator Memory191
Calculator Maintenance193
Clock Accuracy193
Environmental Limits193
Safety and Regulatory Information194
South African Radio Frequency Interference195
Germany Radio Frequency Interference195
France Radio Frequency Interference195
Air Safety Notice (U.S.A.)195
Appendix D: Error Messages197
Appendix E: Menu Maps203
Index209

HP HP-18C - Page 3

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