HP HP-25 - Page 120

H
Hours, minutes, seconds/decimal hours conversions, 60-61
HP-25 memory, 6
I
Improper operations, 33, 87, 109
Index, key, 5-7
Initial display, 35
Instructions, program
changing, 94-95
recording, 10, 74, 76-77
skipping, 106
Integer portion of a number, 51
Intermediate results, 18-23
Interrupting program execution, 82-87
K
Keyboard, 13
Keycodes, 76
Key index, 5-7
Keying in exponents of ten, 31-32
Keying in numbers, 14
Keys, 13-14
L
LAST X, 49-50, 111
Lift, stack, 38, 39, 42, 43, 111
Logarithms, 63-64
Low power display, 105
M
Manipulating stack contents, 35-37
Manual problem solving, 9
Manual RUN mode, 74
Mean, 67-68
Memory, 6
Memory stack, automatic, 35-47
Merged keycodes, 77
Mistakes, recovering from, 49-50, 92-96
Multiple decimal point display, 105
Multiplier chart, 28