HP -01 Owner's Manual page 34

Press
g
© (Hold down for , . -
one second.) 04:19.36
o g4:19.37
@ 129133
Timer/Stopwatch 32
Father answers. Start stopwatch.
Switch to accumulating charges.
Cost for 3 minutes. Father keeps on talking.
Klaus finally hangs up! Total elapsed time
of the call.
Total cost of the call.
The dynamic calculating feature allows you to use decimal hours, minutes, or seconds with