Table of Contents
vii
TI
-
89 / TI
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92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
14.4. Data Variable...............................................................................................150
14.5. Text Variable................................................................................................151
14.6. String Variable .............................................................................................151
14.7. Graph Database ..........................................................................................152
14.8. Bitmap PIC Images......................................................................................156
14.9. Tokenized Programs and Functions............................................................157
14.10. Programs and Functions in Text Format ...................................................159
14.11. Third Party Data.........................................................................................160
14.12. Assembly Program.....................................................................................160
15. Expressions and the Expression Stack..............................................161
15.1. Overview......................................................................................................161
15.2. Contiguous Tokenized Polish Representation.............................................161
15.2.1. Tags ............................................................................................................162
15.2.2. Numbers......................................................................................................163
15.2.3. Variables, Units and Physical Constants.....................................................165
15.2.4. Other Constants ..........................................................................................166
15.2.5. One-argument Tags ....................................................................................167
15.2.6. Two-argument Tags ....................................................................................167
15.2.7. Tags That Take More Than Two or a Variable Number of Arguments ......168
15.2.8. Lists and Matrices .......................................................................................169
15.2.9. Primary, Secondary, and Command Tags ..................................................169
15.2.10. User and Application Defined Functions and Programs............................170
15.3. External Versus Internal Tokenized Polish ..................................................170
15.4. Most Main Ordering and Internal Representations of
Exponentiation, Multiplication, and Addition ................................................172
15.5. The Expression Stack..................................................................................174
15.6. An Example of Working on the EStack........................................................175
15.6.1. Estack Arguments and Results ...................................................................176
15.6.2. Estack Calculations.....................................................................................177
15.7. Working With Lists.......................................................................................178
16. Working with Numbers .......................................................................181
16.1. Overview......................................................................................................181
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