HP 17bII User Manual

4.3 (3)

hp 17bII+ Financial Calculator

Owner’s Manual

Edition 2

Part Number F2234-90020

Notice

For warranty and regulatory information for this calculator, see the owner’s manual.

This manual and any examples contained herein are provided “as is” and are subject to change without notice. Hewlett-Packard Company makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Hewlett-Packard Co. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples contained herein.

© Copyright 2003 Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed under the copyright laws.

The programs that control your calculator are copyrighted and all rights are reserved. Reproduction, adaptation, or translation of those programs without prior written permission of Hewlett-Packard Co. is also prohibited.

4995, Murphy Canyon Rd,

Suite 301

San Diego,CA 92123

Printing History

Edition 1

June 2003

Edition 2

January 2004

File name : English-M02-1-040308(Print).doc Print data : 2004/3/9

Welcome to the hp 17bII+

The hp 17bII+ is part of Hewlett-Packard’s new generation of calculators:

The two-line display has space for messages, prompts, and labels.

Menus and messages show you options and guide you through problems.

Built-in applications solve these business and financial tasks:

Time Value of Money. For loans, savings, leasing, and amortization.

Interest Conversions. Between nominal and effective rates.

Cash Flows. Discounted cash flows for calculating net present value and internal rate of return.

Bonds. Price or yield on any date. Annual or semi-annual coupons; 30/360 or actual/actual calendar.

Depreciation. Using methods of straight line, declining balance, sum-of-the-years’ digits, and accelerated cost recovery system.

Business Percentages. Percent change, percent total, markup.

Currency Exchange. Exchange calculations between two currencies.

Statistics. Mean, correlation coefficient, linear estimates, and other statistical calculations.

Clock. Time, date, and appointments.

Use the Solver for problems that aren’t built in: type an equation and then solve for any unknown value. It’s easier than programming!

There are 28K bytes of memory to store data, lists, and equations.

You can print information using the hp 82240 Infrared Printer.

You can choose either ALG (Algebraic) or RPN (Reverse Polish Notation) entry logic for your calculations.

Welcome to the hp17bII+

3

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Contents

13 List of Examples

16Important Information

117 Getting Started

17Power On and Off; Continuous Memory

17Adjusting the Display Contrast

18Setting the Language

18What You See in the Display

19The Shift Key (@)

19 Backspacing and Clearing

21Doing Arithmetic

22Keying in Negative Numbers (&)

22Using the Menu Keys

23The MAIN Menu

25 Choosing Menus and Reading Menu Maps

27Calculations Using Menus

28Exiting Menus (e)

28Clearing Values in Menus

29Solving Your Own Equations (SOLVE)

30Typing Words and Characters: the ALPHAbetic Menu

31Editing ALPHAbetic Text

32Calculating the Answer (CALC)

34Controlling the Display Format

34Decimal Places

34Internal Precision

34Temporarily SHOWing ALL

35Rounding a Number

35 Exchanging Periods and Commas in Numbers

4 Contents

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36

Error Messages

 

36

Modes

 

37

Calculator Memory (@M)

 

 

 

2

38

Arithmetic

 

38

The Calculator Line

 

38

Doing Calculations

 

40

Using Parentheses in Calculations

 

40

The Percent Key

 

40

The Mathematical Functions

 

41

The Power Function (Exponentiation)

 

42

The MATH Menu

 

43

Saving and Reusing Numbers

 

43

The History Stack of Numbers

 

44

Reusing the Last Result (@L)

 

45

Storing and Recalling Numbers

 

46

Doing Arithmetic Inside Registers and Variables

 

47

Scientific Notation

 

48

Range of Numbers

3

4

49Percentage Calculations in Business

50Using the BUS Menus

50Examples Using the BUS Menus

50Percent Change (%CHG)

51Percent of Total (%TOTL)

52Markup as a Percent of Cost (MU%C)

52Markup as a Percent of Price (MU%P)

53Sharing Variables Between Menus

54Currency Exchange Calculation

54The CURRX Menu

55Selecting a Set of Currencies

57Entering a Rate

Contents 5

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59 Converting between Two Currencies

59Storing and Recalling Sets of Currencies

60Clearing the Currency Variables

561 Time Value of Money

61 The TVM Menu

64 Cash Flow Diagrams and Signs of Numbers

66 Using the TVM Menu

67 Loan Calculations

71 Savings Calculations

74 Leasing Calculations

77 Amortization (AMRT)

78 Displaying an Amortization Schedule

82 Printing an Amortization Table

684 Interest Rate Conversions

85 The ICNV Menu

85 Converting Interest Rates

87 Compounding Periods Different from Payment Periods

791 Cash Flow Calculations

91 The CFLO Menu

92 Cash Flow Diagrams and Signs of Numbers

94 Creating a Cash-Flow List

95 Entering Cash Flows

97 Viewing and Correcting the List

98 Copying a Number from a List to the Calculator Line

98 Naming and Renaming a Cash-Flow List

99 Starting or GETting Another List

99Clearing a Cash-Flow List and Its Name

100Cash-Flow Calculations: IRR, NPV, NUS, NFV

107Doing Other Calculations with CFLO Data

6 Contents

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8108 Bonds

108 The BOND Menu

110 Doing Bond Calculations

9114 Depreciation

114 The DEPRC Menu

116 Doing Depreciation Calculations

116 DB, SOYD, and SL Methods

118 The ACRS Method

119 Partial-Year Depreciation

10121 Running Total and Statistics

122 The SUM Menu

123 Creating a SUM List

123 Entering Numbers and Viewing the TOTAL

124 Viewing and Correcting the List

126 Copying a Number from a List to the Calculator Line

126 Naming and Renaming a SUM List

127 Starting or GETting Another List

127 Clearing a SUM List and Its Name

127 Doing Statistical Calculations (CALC)

128 Calculations with One Variable

130 Calculations with Two Variables (FRCST)

133 Curve Fitting and Forecasting

138 Weighted Mean and Grouped Standard Deviation

139 Summation Statistics

140 Doing Other Calculations with SUM Data

11141 Time, Appointments, and Date Arithmetic

141 Viewing the Time and Date

Contents 7

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142The Time Menu

143Setting the Time and Date (SET)

144Changing the Time and Date Formats (SET)

144Adjusting the Clock Setting (ADJST)

145Appointments (APPT)

145 Viewing or Setting an Appointment (APT1-APT10)

147Acknowledging an Appointment

148Unacknowledged Appointments

148Clearing Appointments

149Date Arithmetic (CALC)

150Determining the Day of the Week for Any Date

150Calculating the Number of Days between Dates

151Calculating Past or Future Dates

12153 The Equation Solver

153 Solver Example : Sales Forecasts

156 The SOLVE Menu

157 Entering Equations

158 Calculating Using Solver Menus (CALC)

161 Editing an Equation (EDIT)

161 Naming an Equation

162 Finding an Equation in the Solver List

162 Shared Variables

162 Clearing Variables

163 Deleting Variables and Equations

164 Deleting One Equation or Its Variables (DELET) 164 Deleting All Equations or All Variables in the Solver

(@c) 164 Writing Equations

166 What Can Appear in an Equation

168 Solver Functions

174 Conditional Expressions with IF

176The Summation Function ()

177Accessing CFLO and SUM Lists from the Solver

178Creating Menus for Multiple Equations (S Function)

8 Contents

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179How the Solver Works

180Halting and Restarting the Numerical Search

181Entering Guesses

13184 Printing

185 The Printer’s Power Source

185 Double-Space Printing

185 Printing the Display(P)

186 Printing Other Information (@p)

186 Printing Variables, Lists, and Appointments (LIST)

188 Printing Descriptive Messages (MSG)

188 Trace Printing (TRACE)

189 How to Interrupt the Printer

14190 Additional Examples

190 Loans

190 Simple Annual Interest

191 Yield of a Discounted (or Premium) Mortgage

193 Annual Percentage Rate for a Loan with Fees

195 Loan with an Odd (Partial) First Period

197 Canadian Mortgages

199 Advance Payments (Leasing)

200 Savings

200 Value of a Fund with Regular Withdrawals

202 Deposits Needed for a Child’s College Account

206 Value of a Tax-Free Account

208 Value of a Taxable Retirement Account

209 Modified Internal Rate of Return

213 Price of an Insurance Policy

215 Bonds

216 Discounted Notes

217 Statistics

217 Moving Average

219 Chi-Squared (χ2) Statistics

Contents 9

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A222 Assistance, Batteries, Memory, and Service

222 Obtaining Help in Operating the Calculator

222 Answers to Common Questions

224 Power and Batteries

224 Low-Power Indications

225 Installing Batteries

227 Managing Calculator Memory

228 Resetting the Calculator

229 Erasing Continuous Memory

230 Clock Accuracy

230 Environmental Limits

230 Determining If the Calculator Requires Service

232 Confirming Calculator Operation: Self-Test

233 Warranty

235 Service

237 Regulatory information

237 Noise Declaration

B238 More About Calculations

238 IRR% Calculations

238 Possible Outcomes of Calculating IRR%

239 Halting and Restarting the IRR% Calculation

239 Storing a Guess for IRR%

240 Solver Calculations

240 Direct Solutions

242 Iterative Solutions

246 Equations Used by Built-in Menus

246 Actuarial Functions

247 Percentage Calculations in Business (BUS)

247 Time Value of Money (TVM)

247Amortization

248Interest Rate Conversions

10 Contents

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248 Cash-Flow Calculations

215 Bond Calculations

250Depreciation Calculations

251Sum and Statistics

251Forecasting

252Equations Used in (Chapter 14)

252Canadian Mortgages

253Odd-Period Calculations

253Advance Payments

253Modified Internal Rate of Return

C254 Menu Maps

D261 RPN: Summary

261 About RPN

261 About RPN on the hp 17bII+

262 Setting RPN Mode

263 Where the RPN Functions Are

264 Doing Calculations in RPN

264 Arithmetic Topics Affected by RPN Mode

264 Simple Arithmetic

266 Calculations with STO and RCL

266 Chain Calculations No Parentheses!

E268 RPN: The Stack

268 What the Stack Is

269 Reviewing the Stack (Roll Down)

269 Exchanging the X- and Y-Registers in the Stack 270 Arithmetic How the Stack Does It

271 How ENTER Works

272 Clearing Numbers

273 The LAST X Register

273 Retrieving Numbers from LAST X

Contents 11

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273Reusing Numbers

274Chain Calculations

275Exercises

F276 RPN: Selected Examples

283 Error Messages

289 Index

12 Contents

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List of Examples

The following list groups the examples by category.

Getting Started

25 Using Menus

29 Using the Solver

Arithmetic

40 Calculating Simple Interest

178 Unit Conversions

190Simple Interest at an Annual Rate (RPN example on page 276)

General Business Calculations

50Percent Change

51Percent of Total

52Markup as a Percent of Cost

52Markup as a Percent of Price

53Using Shared Variables

159Return on Equity

Currency Exchange Calculations

57Calculating an Exchange Rate

58Storing an Exchange Rate

59Converting between Hong Kong and U.S Dollars

Time Value of Money

67A Car Loan

68A Home Mortgage

69A Mortgage with a Balloon Payment

71A Savings Account

List of Examples 13

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72

An Individual Retirement Account

74

Calculating a Lease Payment

75

Present Value of a Lease with Advanced Payments

 

and Option to Buy

80Displaying an Amortization Schedule for a Home Mortgage

82 Printing an Amortization Schedule

172 Calculations for a Loan with an Odd First Period 191 Discounted Mortgage

193APR for a Loan with Fees (RPN example on page 276)

194Loan from the Lender’s Point of View (RPN example on page 277)

196Loan with an Odd First Period

197Loan with an Odd First Period Plus Balloon

198Canadian Mortgage

200 Leasing with Advance Payments

200 A Fund with Regular Withdrawals

202 Savings for College (RPN example on page 278)

207Tax-Free Account (RPN example on page 280)

208Taxable Retirement Account (RPN example on page 282)

214Insurance Policy

Interest Rate Conversions

86Converting from a Nominal to an Effective Interest Rate

89 Balance of a Savings Account

Cash Flow Calculations

97 Entering Cash Flows

102 Calculating IRR and NPV of an Investment

104An Investment with Grouped Cash Flows

105An Investment with Quarterly Returns

210Modified IRR

14 List of Examples

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Bonds and Notes

111Price and Yield of a Bond

112A Bond with a Call Feature

113A Zero-Coupon Bond

215 Yield to Maturity and Yield to Call

217 Price and Yield of a Discounted Note

Depreciation

117Declining-Balance Depreciation

118ACRS Deductions

120 Partial-Year Depreciation

Running Total and Statistical Calculations

125 Updating a Checkbook

128 Mean, Median, and Standard Deviation

134 Curve Fitting

138 Weighted Mean

218 A Moving Average in Manufacturing

220 Expected Throws of a Die ( χ 2 )

Time, Alarms, and Date Arithmetic

144 Setting the Date and Time

148 Clearing and Setting an Appointment

151Calculating the Number of Days between Two Dates

152Determining a Future Date

How to Use the Equation Solver 159 Return on Equity

166 Sales Forecasts

172 Using a Solver Function (USPV)

175 Nested IF Functions

181 Using Guesses to Find a Solution Iteratively

Printing

189 Trace-Printing an Arithmetic Calculation

List of Examples 15

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Important Information

Take the time to read chapter 1. It gives you an overview of how the calculator works, and introduces terms and concepts that are used throughout the manual. After reading chapter 1, you’ll be ready to start using all of the calculator’s features.

You can choose either ALG (Algebraic) or RPN (Reverse Polish Notation) mode for your calculations. Throughout the manual, the

v “in the margin indicates that the examples or keystrokes must be performed differently in RPN. Appendixes D, E, and F explain how to use your calculator in RPN mode.

Match the problem you need to solve with the calculator’s capabilities and read the related topic. You can locate information about the calculator’s features using the table of contents, the subject index, the list of examples, and the menu maps in appendix C (the gold-edged pages).

Before doing any time-value-of-money or cash-flow problems, refer to pages 64 and 92 to learn how the calculator uses positive and negative numbers in financial calculations.

For a deeper treatment of specific types of calculations, refer to chapter 14, “Additional Examples.” If you especially like learning by example, this is a good reference spot for you.

16 Important Information

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1

Getting Started

Watch for this symbol in the margin. It identifies examples vor keystrokes that are shown in ALG mode and must be performed differently in RPN mode. Appendixes D, E, and F

explain how to use your calculator in RPN mode.

The mode affects only arithmetic calculations—all other operations, including the Solver, work the same in RPN and ALG modes.

Power On and Off; Continuous Memory

To turn on the calculator, press C(clear) (note ON printed below the key). To turn it off, press @and then C. This shifted function is called o(note OFF printed above the key). Since the calculator has Continuous Memory, turning it off does not affect the information you’ve stored there.

To conserve energy, the calculator turns itself off after 10 minutes of no use.

If you see the low battery symbol ( ) at the top of the display, you should replace the batteries as soon as possible. Follow the instructions on page 224.

Adjusting the Display Contrast

The display’s brightness depends on lighting, your viewing angle, and the display contrast setting. To change the display contrast, hold down the Ckey and press +or -.

1: Getting Started 17

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Setting the Language

The calculator can display information in six different languages. The language initially used by the calculator was preset at the factory. To change the language:

1.Press the @>.

2.Press to display the INTL menu, which stands for "international".

3.Press the appropriate menu key to change the language.

Table 1-1. Keys for language

Key Description

German

English

Spanish

French

Italian

Portuguese

What You See in the Display

Menu Labels. The bottom line of the display shows the menu labels for each of the six major menus (work areas) in the calculator. More about these later in this chapter.

The Calculator Line. The calculator line is where you see numbers (or letters) that you enter, and the results of calculations.

Annunciators. The symbols shown here are called annunciators. Each one has a special significance.

18 1: Getting Started

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Shift (@) is

Sending information

active.

to the printer.

(page 19)

(page 184)

Alarm going off (or past due). (page 147)

Batteries low. (page 224)

Annunciators

Calculator

Cursor

line

Menu labels for the MAIN menu. To display the MAIN menu, press @A(that is, first @, then e).

The Shift Key (@)

Some keys have a second, shifted function printed in color above the key. The colored shift key accesses these operations. For example, pressing and releasing @, then pressing Cturns the calculator off.

This is written @o.

Pressing @turns on the shift annunciator ( ). This symbol stays on until you press the next key. If you ever press @by mistake, just press @ again to turn off the .

Backspacing and Clearing

The following keys erase typing mistakes, entire numbers, or even lists or sets of data.

1: Getting Started 19

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Table 1-2. Keys for Clearing

 

 

Key

Description

 

 

<

Backspace; erases the character before the cursor.

C

Clear; clears the calculator line. (When the calculator

 

is off, this key turns the calculator on, but without

 

clearing anything.)

@c

This clears all information in the current work area

 

(menu). For example, it will erase all the numbers in

 

a list if you are currently viewing a list (SUM or

 

CFLO). In other menus (like TVM), @cclears

 

all of the values that have been stored. In SOLVE, it

 

can delete all equations.

 

 

The cursor ( ) is visible while you are keying in a number or doing a calculation. When the cursor is visible, pressing < deletes the last character you keyed in. When the cursor is not visible, pressing < erases the last number.

Keys:

Display:

Description:

12345 <<

Backspacing removes

.66

 

the 4 and 5.

@t

 

Calculates 1/123.66.

<

 

Clears the calculator

 

 

line.

In addition, there are more drastic clearing operations that erase more information at once. Refer to “Resetting the Calculator” on page 228 in appendix A.

20 1: Getting Started

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Doing Arithmetic

The “v ” in the margin is a reminder that the example keystrokes are for ALG mode.

This is a brief introduction to doing arithmetic. More information on arithmetic is in chapter 2. Remember that you can erase errors by pressing <or C.

To calculate 21.1 23.8:

Keys: Display: Description:

21.1 +

 

=

 

=completes calculation.

Once a calculation has been completed, pressing another digit key starts a new calculation. On the other hand, pressing an operator key continues the calculation:

77.35 -

 

Calculates 77.35

– 90.89

90.89 =

 

 

 

65 @v*12

 

New calculation:

 

=

 

65 x 12.

 

/3.5 =

 

Calculates 96.75

3.5.

You can also do long calculations without pressing = after each intermediate calculation—just press it at the end. The operators perform from left to right, in the order you enter them. Compare:

 

 

65 + 12

 

and

65 +

12

 

 

3.5

 

 

 

 

 

3.5

65 +12 /

 

 

Operations occur in the

3.5 =

 

 

order you see them.

 

 

 

 

 

1: Getting Started 21

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65 +(12 /

Use parentheses to impose

3.5 )=

 

an order of calculation.

Keying in Negative Numbers (&)

The &key changes the sign of a number.

To key in a negative number, type that number, then press &.

To change the sign of an already displayed number (it must be the rightmost number), press &.

Keys:

Display:

Description:

75 &

 

Changes the sign of 75.

v*7.1 =

 

Multiplies 75 by 7.1.

Using the Menu Keys

The calculator usually displays a set of labels across the bottom of the display. The set is called a menu because it presents you with choices. The MAIN menu is the starting point for all other menus.

22 1: Getting Started

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(())

Menu Labels

Menu Keys

The top row of keys is related to the labels along the bottom of the display. The labels tell you what the keys do. The six keys are called menu keys; the labels are called menu labels.

The MAIN Menu

The MAIN menu is a set of primary choices leading to other menu options. No matter which menu you currently see, pressing @A redisplays the MAIN menu. The menu structure is hierarchical.

1: Getting Started 23

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Table 1-3. The MAIN Menu

Menu Label

Operations Done in

Covered in:

This Category

 

 

 

 

 

 

 

 

 

 

 

TVM: Time value of money:

Chapter 5

 

 

 

(Finance)

loans, savings, leasing,

 

 

 

 

amortization.

 

 

 

 

ICNV: Interest conversions.

Chapter 6

 

 

 

CFLO: Lists of cash flows for

Chapter 7

 

 

 

internal rate of return and

 

 

 

 

net present value.

 

 

 

 

BOND: Yields and prices

Chapter 8

 

 

 

for bonds.

 

 

 

 

DEPRC: Depreciation using

Chapter 9

 

 

 

SL, DB, and SOYD methods,

 

 

 

 

or ACRS.

 

 

 

 

Percent of total, percent

Chapter 3

(Business Percentages)

change, markup on cost,

 

 

 

 

markup on price.

 

 

 

 

Lists of numbers, running

Chapter 10

(Statistics)

total, mean, weighted

 

 

 

 

statistics, forecasting,

 

 

 

 

summation statistics, and

 

 

 

 

more.

 

 

 

 

Clock, calendar,

Chapter 11

(Time Manager)

appointments, date

 

 

 

 

arithmetic.

 

 

 

 

Creates customized menus

Chapter 12

(Equation Solver)

from your own equations for

 

 

 

 

calculations you do often.

 

 

 

 

Converting any currency to

Chapter 4

(Currency Exchange)

its equivalent in another

 

 

 

 

currency

 

 

 

 

 

 

24 1: Getting Started

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Choosing Menus and Reading Menu Maps

Below is a menu map illustrating one possible path through three levels of menus: from the MAIN menu to the BUS menu to the MU%C (markup as a percent of cost) menu. There are no menus that branch from the MU%C menu because the MU%C menu is a final destination—you use it to do calculations, rather than to choose another menu.

MAIN menu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIN

 

 

BUS

 

SUM

TIME

SOLVE

CURRX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BUS menu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

%CHG %TOTL

MU%C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MU%P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MU%C menu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COST

PRICE

M%C

 

 

 

 

 

 

 

 

 

 

 

EXIT

 

 

 

 

 

MAIN

 

 

 

 

 

 

 

Press to choose the BUS menu. Then press to choose the MU%C menu.

Press e to return to the previous menu. Pressing e enough times returns you to the MAIN menu.

Press @Ato return to the MAIN menu directly.

When a menu has more than six labels, the label appears at the far right. Use it to switch between sets of menu labels on the same “level”.

Example: Using Menus. Refer to the menu map for MU%C (above) along with this example. The example calculates the percent markup on cost of a crate of oranges that a grocer buys for $4.10 and sells for $4.60.

Step 1. Decide which menu you want to use. The MU%C (markup as a percent of cost) menu is our destination. If it’s not obvious to you which menu you need, look up the topic in the subject

1: Getting Started 25

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index and examine the menu maps in appendix C.

Displaying the MU%C menu:

Step 2. To display the MAIN menu, press @A. This step lets you start from a known location on the menu map.

Step 3. Press to display the BUS menu.

Step 4. Press to display the MU%C menu.

Using the MU%C menu:

Step 5. Key in the cost and press to store 4.10 as the COST.

Step 6. Key in the price and press to store 4.60 as the

PRICE.

Step 7. Press to calculate the markup as a percent of cost. The answer: .

Step 8. To leave the MU%C menu, press etwice (once to get back to the BUS menu, and again to get to the MAIN menu) or @A(to go directly to the MAIN menu).

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HP 17bII User Manual

Calculations Using Menus

Using menus to do calculations is easy. You don’t have to remember in what order to enter numbers and in what order results come back. Instead, the menus guide you, as in the previous example. All the keys you need are together in the top row. The menu keys both store numbers for the calculations and start the calculations.

The MU%C menu can calculate M%C, the percent markup on cost, given COST and PRICE.

Keys:

4.60

Store 4.60

 

Display:

 

 

 

 

 

Keys:

4.10

Store 4.10

 

Display:

 

 

 

 

 

 

 

COST PRICE M%C

Keys:

 

 

Calculator

 

Calculate 12.20

Memory

Display:

 

 

 

 

 

Then the same menu can calculate PRICE given COST and M%C.

Keys:

20

 

Display:

 

Store 20.00

Keys:

4.10

Store 4.10

Display:

 

 

 

 

 

COST PRICE M%C

Keys:

 

Calculator

 

Memory

Display:

 

 

Calculate 4.92

Notice that the two calculations use the same three variables; each variable can be used both to store and calculate values. These are called built-in variables, because they are permanently built into the calculator.

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Many menus in this calculator work like the example above. The rules for using variables are:

To store a value, key in the number and press the menu key. Arithmetic calculations, as well as single values, can be stored.

To calculate a value, press the menu key without first keying in a

number. The calculator displays when a value is being calculated.

To verify a stored value, press R(recall) followed by the menu key. For example, R displays the value stored in COST.

To transfer a value to another menu, do nothing if it is displayed (that is, it is in the calculator line). A number in the calculator line remains there when you switch menus. To transfer more than one value from a menu, use storage registers. See page 45, “Storing and Recalling Numbers.”

Exiting Menus (e)

The e key is used to leave the current menu and go back to the previously displayed menu (as shown in the previous example). This is true for menus you might pick by accident, too: egets you out.

Clearing Values in Menus

The @c key is a powerful feature to clear all the data in the currently displayed menu, giving you a clean slate for new calculations.

If the current menu has variables (that is, if the display shows menu labels for variables, such as COST, PRICE, and M%C in the MU%C

menu), pressing @c clears the values of those variables to zero.

*If you have just switched menus and want to store the result already in the calculator line, then you should press sbefore the menu key

To store the same number into two different variables, use sfor the second variable, e.g. 25 s

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If the current menu has a list (SUM, CFLO, or Solver), pressing @cclears the values in the list.

To see what value is currently stored in a variable, press R menu label.

Solving Your Own Equations (SOLVE)

This chapter has introduced some of the built-in menus the calculator offers. But if the solution to a problem is not built into hp 17bII+ , you can turn to the most versatile feature of all: the Equation Solver. Here you define your own solution in terms of an equation. The Solver then creates a menu to go with your equation, which you can use over and over again, just like the other menus in the calculator.

The Solver is covered in chapter 12, but here is an introductory example. Because equations usually use letters of the alphabet, this section also explains how to type and edit letters and other characters that aren’t on the keyboard.

Example:Using the Solver. Suppose you frequently buy carpet and must calculate how much it will cost. The price is quoted to you per square yard. Regardless of how you do the calculation (even if you do it longhand), you are using an equation.

Price per

Length (feet)

Width (feet)

square yard

 

 

 

P/YD × L × W

= COST

 

9

 

 

Converts square feet to square yards

To type this equation into the Solver, use the ALPHA menu.

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Typing Words and Characters: the ALPHAbetic Menu

The ALPHAbetic menu is automatically displayed when you need it to type letters and characters. The ALPHA menu also includes characters not found on the keyboard:

Uppercase letters.

Space.

Punctuation and special characters.

Non-English letters.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alpha

ABCDE

 

 

FGHI

JKLM

 

NOPQ

 

RSTUV

 

WXYZ

menu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Letters,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

G

H

I space OTHER R S

T U

V OTHER

space

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OTHER

: <

>

#

$

 

, .

/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

characters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&

 

!

@

 

 

*

 

 

 

 

 

 

 

 

 

 

 

To type a letter you need to press two keys; for example, is produced

by the keystrokes .

Each letter menu has an key for accessing punctuation and

non-English characters. The letter menus with just four letters (for example, FGHI) include a space character ( ).

To familiarize yourself with the ALPHA menu, type in the equation for the cost of carpeting. The necessary keystrokes are shown below. (Note the access to the special character, “/”.) Use <, if necessary, to make corrections. If you need to do further editing, refer to the next section, “Editing ALPHAbetic Text.” When you’re satisfied that the equation is correct, press Ito enter the equation into memory.

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