General

Q5
Is it possible to accomplish time calculations with my calculator?
A5
Yes, It is possible. The sexagesimal base number is based on the number 60. This base number is used for time and angle measurement.
Time measures( 1 hour=60 minutes, 1 minute =60 seconds) Casio scientific calculators can carry out time calculations as well as angle calculations.

Time calculations are available by pressing [OPTN] and using the Function keys [F1]-[F6] to select "ANGLE".

The following are calculations using the fx-CG Series.
Examples:
To convert the decimal value 2.258 to a sexagesimal value
Input the value 2.258 and press the buttons as follows:
[OPTN] [F6] [F5](ANGL)[F6]  [F3](>DMS) [EXE]
Displayed Result: 2°15´28.8´´ (2 hours 15 minutes and 28.8 seconds)

Time calculation with sexagesimal values:
5 hours 34 minutes and 48 seconds are to be added to 8 hours 16 minutes and 51 seconds.
Press the buttons as follows:
[5]
[OPTN][F6][F5](ANGL)[F4](° ' ")
[3][4]
[F4](° ' ")
[4][8]
[F4](° ' ")
[+]
[8]
[F4](° ' ")
[1][6]
[F4](° ' ")
[5][1]
[F4](° ' ")
[EXE]
Displayed result as decimal value: 13.86083333

The result can be converted into sexagesimal value:
Press the buttons as follows:
[F5][EXE]
Displayed Result:13°51´39´´ (13 hours 51 minutes and 39 seconds)

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