HP -18C Owner's Manual

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Installing the Batteries

Setting the Display Contrast

HEW LET T - PAC KA R 0

HP-18C

Business Consultant

Owner's Manual

Table of Contents

5
Table of Contents
13
List of Examples
15
How to Use this Manual
- 17
  Starting to Use the HP-18C
17
Installing the Batteries
17
Turning the HP-18C on and off
17
Setting the Display Contrast
18
Using the Display
19
Using the Keyboard
- 22
  The . Key
22
The IINPUT I Key
22
Doing Arithmetic
23
Negative Numbers
24
Using a Result in Another Calculation
24
Editing and Clearing the Calculator Line
25
The History Stack
25
Clearing the Display
25
Using the Alphabetic Keys
27
Using the Menu Keys
27
The MAIN Menu
28
Changing Menus and Reading Menu Maps
31
Doing Calculations Using Menus
32
Making a Graceful IEXITI
33
Clearing the Display and Menu Variables
33
When the HP-18C Doesn't Understand What You Want
33
Custom Menus
34
How to Use and Reuse Calculator Memory
- 35
  Arithmetic
35
Introduction
35
Using the Calculator Line
35
Simple Arithmetic
- 35
  Keys
36
Chain Calculations
37
Percent
38
Other Keyboard Arithmetic
- 39
  Using Parentheses in Calculations
39
Recalling Numbers to the Calculator Line
- 39
  Using the History Stack
41
The LAST I Key
41
Using Registers
43
Doing Arithmetic Inside Registers
- 43
  Keys
44
The MATH Menu Functions
45
Changing the Number of Displayed Decimal Places
46
Interchanging the Period and Comma in Numbers
46
Scientific Notation
- 49
  General Business Calculations
49
Introduction
49
Percent Change
51
Percent of Total
52
Markup on Cost
53
Markup on Price
55
Clearing the BUS Variables
55
Sharing Variables between Menus
- 55
  Cost=4
  - 56
    Markup%C
  - 57
    Time Value of Money
- 57
  Introduction
- 59
  The TVM Menu
- 60
  Cash Flow Diagrams and Signs of Numbers
- 61
  TVM Calculations
- 62
  Clearing the TVM Variables
- 62
  Loan Calculations
- 67
  Calculate
- 68
  Amortization
- 71
  Savings Calculations
- 75
  Leasing Calculations
- 79
  Interest Rate Conversions
- 80
  Clearing the ICONV Variables
  - 83
    Cash Flow Calculations
- 83
  Introduction
- 83
  The CFLO Menu
- 85
  Using Number Lists
- 85
  Cash Flow Diagrams and Signs of Numbers
- 87
  Entering Cash Flows
- 88
  Viewing and Editing the List
- 88
  Cash Flow Calculations
  - 97
    Running Total and Statistics Calculations
- 97
  Introduction
- 97
  The SUM Menu
- 99
  Using Number Lists
- 99
  Entering Numbers and Viewing the Running Total
- 100
  Viewing and Editing the List
102
Statistics Calculations with SUM Lists
104
Curve Fitting and Forecasting
- 111
  Working with Number Lists
111
Introduction
112
How Number Lists Are Stored
112
Inserting a Number into a List
112
Deleting a Number from a List
113
Copying a List Number to the Calculator Line
113
Creating New Number Lists
113
Naming and Renaming Number Lists
114
Viewing the List Name
114
Switching Number Lists (GET)
116
Clearing a Number List
- 117
  Time, Alarms, and Date Arithmetic
117
Introduction
117
Viewing the Time and Date
118
Setting the Time and Date
120
Changing the Time and Date Formats
120
Adjusting the Clock Setting
121
Alarms
121
Viewing and Setting an Alarm
123
Editing Alarm Settings
123
Acknowledging an Alarm
124
Unacknowledged Alarms
124
Clearing Alarms
126
Date Arithmetic
126
Determining the Day of the Week for any Date
127
Calculating the Number of Days between Dates
128
Determining Past or Future Dates
128
Clearing the Date Arithmetic Variables
- 129
  The Formula Solver
129
Introduction
131
The Formula List
131
The SOLVE Menu
132
Entering Formulas
133
Calculations with Custom Menus
134
Clearing User-Variables
134
Viewing Long Formulas
135
Editing a Formula
136
Naming a Formula
136
Shared User-Variables
137
Deleting the Current Formula And/Or Its User-Variables
138
Deleting All Formulas And/Or Their User-Variables
138
Summary of Clear and Delete Operations
139
How the Solver Works
140
Halting and Restarting a Numerical Search
140
Entering Guesses
143
Writing Formulas that the Solver Understands
146
Solver Functions
150
Conditional Expressions
- 153
  Printing
153
Introduction
154
Printing Modes
154
The Print Annunciator
155
Trace Mode
156
Manual Print Mode
156
Printing Values Stored and Calculated Using Menus
158
Printing Descriptive Notes
158
Printing an Amortization Table
- 161
  Appendix A: Customer Support, Warranty, and Service
- 161
  Obtaining Help in Operating the Calculator
161
Answers to Common Questions
163
Limited One-Year Warranty
163
What We will Do
164
What Is Not Covered
164
Warranty for Consumer Transactions in the United Kingdom
164
Obligation to Make Changes
165
Warranty Information
165
Determining if the Calculator Requires Service
166
Confirming Calculator Operation-The Self-Test
167
If the Calculator Requires Service
168
Obtaining Service in the United States
168
Obtaining Service in Europe
169
International Service Information
169
Shipping Instructions
170
Service Agreements
170
Service Charge
170
Warranty on Service
- 171
  Appendix B: more about HP-18C Calculations
171
IRR% Calculations
172
Halting and Restarting the IRR% Calculation
172
Storing a Guess for IRR
173
Solver Calculations
174
Direct Solutions
175
Numerical Solutions
180
Actuarial Functions
181
General Business
182
Time Value of Money
182
Amortization
183
Interest Rate Conversions
183
Cash Flow Calculations
184
Sum and Statistics
185
Forecasting
- 187
  Appendix C: Caring for and Using Your
187
Batteries
187
Low Power Indicator
187
Installing Batteries
189
Resetting the Calculator
190
Erasing Continuous Memory
191
Managing Calculator Memory
193
Calculator Maintenance
193
Clock Accuracy
193
Environmental Limits
194
Safety and Regulatory Information
195
South African Radio Frequency Interference
195
Germany Radio Frequency Interference
195
France Radio Frequency Interference
195
Air Safety Notice (U.S.A.)
197
Appendix D: Error Messages
203
Appendix E: Menu Maps
209
Index

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