20 — Time Master II
Beginning, End and Duration
The
B
,
E
and
D
keys are used to
calculate starting and ending times as
well as duration of time. Given two
values, the third can be easily found.
You may enter a whole number, a point
in time or a period of time into the
B
and
E
keys. Only periods of time can
be entered into
D
. AM/PM entries for
duration cause an error.
Scheduling – Multiple Steps
A delivery truck travels 132 miles from
Los Angeles to Palm Springs. In his
log, the driver records the following
entries:
Departure (1) 9:22 AM
Stop (1) 10:03 AM
Departure (2) 11:17 AM
Stop (2) 1:15 PM
Find the total time for this drive: