HP HP-67 - Page 343

Index 339
Primary registers, 71
Program card holder, 308
Program cards, 272
Program execution, 138
Program loop, 180
Program memory, 127
Program pause, 172-177
Program steps, 127
Program subroutines, 197-211
Programming, 123-269
Programming key index, 10
Programming pads, 307
Protected registers, 74
Protecting a card, 278
Pythagorean theorem program, 149
Q
Quadratic roots program, 198-203
R
Radians mode, 93
Radians to degrees, 92
Raising numbers to powers, 104
Random number generator, 204
Ratio of increase/decrease, 91
Reading a card, 124
Recall, indirect, 229
Recalling contents of secondary registers, 76
Recalling numbers, 72
Recharging the battery, 312
Reciprocals, 87
Recording a program, 23, 272
Recording data onto a card, 279
Rectangular to polar coordinates, 99
Register review, 77
Registers, memory, 71
Registers, stack, 53
Repair policy, 318
Repair time, 318
Replacing the battery, 313
Reserve power pack, 307
Resetting to step 000, 151