HP HP-67 - Page 10

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gister.

Used

to

separate

numbers

Percentage

()

Computes

x%

of

y

X-register

(page

91).

Table of Contents

Table of Contents4
The HP-67 Pocket Programmable Calculator12
- Functionkey Index12
- The HP-6714
- Programming Key Index14
Meet the HP-6719
- Manual Problem Solving20
- Running a Prerecorded Program21
- Your OWN Program28
Part One: Using Your HP-67 Pocket Calculator29
Section 1: Getting Started31
- Display31
- Keyboard31
- Keying in Numbers32
  - Negative Numbers33
- Clearing33
- Functions34
  - One-Number Functions35
  - Two-Number Functions36
- Chain Calculations38
- A Word Aboutthe HP-6743
Section 2: Display Control45
- Display Control Keys46
- Automatic Display Switching51
- Keying in Exponentsof Ten52
- Calculator Overflow54
- Error Display54
- Low Power Display55
Section 3: the Automatic Memory Stack57
- The Stack57
- Initial Display57
- Manipulating Stack Contents58
Section 4: Storing and Recalling Numbers75
- Storage Registers75
- Automatic Register Review81
- Clearing Storage Registers83
- Storage Register Arithmetic85
- Storage Register Overflow87
Section 5: Function Keys89
- Number Alteration Keys89
- Reciprocals91
- Factorials92
- Square ROOS93
- USING Pi93
- Percentages94
- Percentof Change95
Part Two: Programming the HP-67125
- Section 6: Simple Programming127
- Section 7: Program Editing151
  - Nonrecordable Operations151
  - Pythagorean Theorem Program153
- Initializinga Program154
- Running the Program155
- Resettingto Step 000155
- Single-Step Execution of a Program156
- Modifying a Program158
- Single-Step Viewing Without Execution159
- Goingtoa Step Number161
- Stepping Backwards through a Program162
- Running the Modified Program164
- Deleting an Instruction165
- Problems168
Section 8: Interrupting Your Program173
- Using173
- Pausinginaprogram176
  - Pausing to View Qutput176
  - Pausing Forlnput179
Section 9: Branching183
- Unconditional Branching and Looping183
- Problems186
- Conditionals and Conditional Branches189
- Problems196
Section 10: Subroutines201
- Routine-Subroutine Usage208
- Subroutine Limits210
- Problems212
Section 11: Controlling the I-Register217
- Storinga Numberini217
- Exchangingxand I218
- Incrementing and Decrementing the I-Register219
- Problems224
Section 12: Using the I-Register for Indirect Control227
- Indirect Display Control229
- Indirect Storeand Recall233
- Indirect Incrementing and Decrementing of Storage Registers242
- Indirect Control of Branches and Subroutines242
- Rapid Reverse Branching248
- Problems254
Section 13: Flags259
- Command-Cleared Flags260
- Dataentryflag264
- Problems270
Section 14: Card Reader Operations275
- Magneticcards275
- Program Cards276
- Protectinga Card282
- Markinga Card282
- Datacards283
- Pausingto Readacard296
Section 15: the HP-67 and the HP-97: Interchangeable Software303
- Keycodes303
- Print and Automatic Review Functions306
- A Word about Programming309
Appendix A: Accessories310
- Standard ACCESSOMNES310
- Optional Accessoores310
Appendix B: Service and Maintenance314
- Your Hewlett-Packard Calculator314
- Battery Operation315
- Recharging and AC Line Operation315
- Battery Pack Replacement317
- Batterycare319
- Magnetic Card Maintenance319
- SEIVICE . Ittt E320
- Temperature Range322
- Warranty322
  - Full One-Yearwarranty322
  - Obligation to Make Changes322
- Repair Policy322
Appendix C: Improper Operations324
Appendix D: Stack Lift and LAST X326
- Stack Lift326
- LAST X Oo327
Appendix E: Calculator Functions and Keycodes328

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