Radio Shack TRS-80 PC-3 Owner's Manual page 223

APPENDIX E FEATURE COMPARISON OF THE PC-l, PC-2, AND PC-3
The three Radio Shack Pocket Computers, the PC-', the PC-2, and the PC-3, have many features in common, but there are some
significant differences. Sometimes the same features are present, yet act in a slightly different fashion. In order to facilitate the
use of programs on different models, the following comparison charts are provided.
Verbs and Commands
In the following chart, the symbol:
M indicates that the feature can only be used in manual execution, i.e., as a command.
P indicates that the feature can only be used within a program.
B
indicates that the feature can be used in both contexts.
When no symbol is shown, the feature is not available on that machine.
PC-,
PC-2 PC-3 Comments
AREAD
P
B P
See Note 1
ARUN
p
BEEP P B B PC-2 has tone and duration
CHAIN P P P
CLEAR B
B
B
CLOAD M M M
CLOAD? M M M
CLS
B
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