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Contents
Chapter 13
Programming Features ........................................................................................... 202
1. Tr y it! ..................................................................................................................... 202
2. Programming Hints ...............................................................................................204
3. Variables .............................................................................................................. 206
Setting a variable ................................................................................................206
4. Operands ............................................................................................................. 206
Comparison operands ........................................................................................206
5. Programming commands ......................................................................................207
A PRGM menu ....................................................................................................207
B BRNCH menu ..................................................................................................209
C SCRN menu ....................................................................................................209
D I/O menu......................................................................................................... 209
E SETUP menu ..................................................................................................210
F FORMAT menu ................................................................................................211
G S_PLOT menu ................................................................................................213
6. Flow control tools ..................................................................................................214
7. Other menus convenient for programming .......................................................... 216
H COPY menu ....................................................................................................216
VARS menu ....................................................................................................... 217
8. Debugging ............................................................................................................ 219
9. Sample programs .................................................................................................. 220
Chapter 14
OPTION Menu ........................................................................................................... 222
Accessing the OPTION Menu ....................................................................................222
1. Adjusting the screen contrast ...................................................................... 222
2. Checking the memory usage ....................................................................... 222
3. Deleting files..................................................................................................224
4. Linking to another EL-9900 or PC ............................................................... 224
5. Reset function ...............................................................................................227
Appendix................................................................................................................... 228
1. Replacing Batteries ...............................................................................................228
2. Troubleshooting Guide ..........................................................................................231
3. Specifications ....................................................................................................... 233
4. Error Codes and Error Messages ........................................................................ 235
5. Error Conditions Relating to Specific Tasks ........................................................ 237
1. Financial ....................................................................................................... 237
2. Error conditions during financial calculations .............................................. 239
3. Distribution function ......................................................................................239
6. Calculation Range .................................................................................................241
1. Arithmetic calculation ....................................................................................241
2. Function calculation ......................................................................................241
