HP 40gs - Page 329

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Matrices 18-15

The final row of zeros in the

reduced-row echelon form

of the augmented matrix

indicates an inconsistent

system with infinite

solutions.

hp40g+.book Page 15 Friday, December 9, 2005 12:27 AM

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Preface11
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1 Getting Started13
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  - Setting a Mode23
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- Mathematical Calculations31
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- Complex Numbers41
- Catalogs and Editors42
2 Aplets and Their Views43
- Aplet Views43
3 Function Aplet65
- About the Function Aplet65
  - Getting Started with the Function Aplet65
- Function Aplet Interactive Analysis73
  - Signed Area74
  - Plotting a Piecewise-Defined Function76
4 Parametric Aplet77
- About the Parametric Aplet77
  - Getting Started with the Parametric Aplet77
5 Polar Aplet81
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6 Sequence Aplet83
- About the Sequence Aplet83
  - Getting Started with the Sequence Aplet83
7 Solve Aplet87
- About the Solve Aplet87
  - Getting Started with the Solve Aplet88
- Use an Initial Guess91
- Interpreting Results92
- Plotting to Find Guesses93
- Using Variables in Equations96
8 Linear Solver Aplet97
- About the Linear Solver Aplet97
  - Getting Started with the Linear Solver Aplet97
9 Triangle Solve Aplet101
- About the Triangle Solver Aplet101
  - Getting Started with the Triangle Solver Aplet101
10 Statistics Aplet105
- About the Statistics Aplet105
  - Getting Started with the Statistics Aplet105
- Entering and Editing Statistical Data110
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11 Inference Aplet127
- About the Inference Aplet127
- Hypothesis Tests134
- Confidence Intervals141
12 Using the Finance Solver147
- Background147
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13 Using Mathematical Functions155
- Math Functions155
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- Math Functions by Category156
- Symbolic Calculations174
  - Finding Derivatives175
- Program Constants and Physical Constants178
  - Program Constants179
  - Physical Constants179
14 Computer Algebra System (CAS)183
- What Is a CAS183
- Performing Symbolic Calculations183
  - An Example184
- CAS Variables186
  - The Current Variable186
- CAS Modes187
- Using CAS Functions in HOME189
- Online Help190
- CAS Functions in the Equation Writer191
- CAS Functions on the MATH Menu227
- CAS Functions on the CMDS Menu244
15 Equation Writer253
- Using CAS in the Equation Writer253
- Entering Expressions and Subexpressions257
  - How to Modify an Expression263
- Accessing CAS Functions264
- Equation Writer Variables268
  - Predefined CAS Variables268
  - The Keyboard in the Equation Writer269
16 Step-By-Step Examples275
- Introduction275
17 Variables and Memory Management305
- Introduction305
- Storing and Recalling Variables306
- The VARS Menu308
- Memory Manager313
18 Matrices315
- Introduction315
- Creating and Storing Matrices316
- Working with Matrices318
- Matrix Arithmetic320
  - Solving Systems of Linear Equations322
- Matrix Functions and Commands324
  - Argument Conventions324
  - Matrix Functions324
- Examples327
19 Lists331
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20 Notes and Sketches341
- Introduction341
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- The Notepad346
21 Programming349
- Introduction349
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- Using Programs355
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  - Aplet Naming Convention358
  - Example358
- Programming Commands361
22 Extending Aplets393
- Creating New Aplets Based on Existing Aplets393
  - Using a Customized Aplet395
- Resetting an Aplet395
- Annotating an Aplet with Notes396
- Annotating an Aplet with Sketches396
- Downloading E-Lessons from the Web396
- Sending and Receiving Aplets396
- Sorting Items in the Aplet Library Menu List398
- Glossary399
- Resetting the HP 40Gs401
  - To Erase All Memory and Reset Defaults401
  - If the Calculator Does Not Turn on402
- Operating Details402
  - Batteries402
- Variables404
- MATH Menu Categories411
- Status Messages418
Limited Warranty421
- Service423
- Regulatory Notices425
Index429

HP 40gs - Page 329

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