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Contents
Chapter 13
Programming Features ........................................................................................... 202
1. Try 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