HP HP-67 - Page 339

Index 335
D
Data cards, 279
Data entry flag (F3), 260
Data storage, 71
Decrementing I-register, 215
Default functions, 30, 130
Defective battery pack, 315
Degrees mode, 93
Degrees to radians, 92
Deleting program instructions, 148, 161
Deleting statistical data, 116
Designing a program, 141
Dirty cards, 315
Display: blank, 316
blurring, 317
error, 50
low power, 51
Display formatting, 42
Display, indirect, 223-229
Displaying I-register contents, 214
Display keys, 42
Division, 33
Documenting a program, 141
E
Editing a program, 147-167
End of program, 134
Engineering notation, 45
Entering exponents of 10, 48
key, 32, 58
Error conditions, 320
Error display, 50
Exchange key, 55
Exchanging primary and secondary register contents, 74
Exchanging x and I, 214
Exchanging x and y, 55
Executing a program, 138, 152
Exponentiation, 104
Exponents of ten, 48
Extracting roots, 89, 105