Sharp EL-531LH Mastering Instructions page 39

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Mastering the Calculator using the Sharp EL-531LH
The display should show 1.728343, so x is approximately 1.73
Example 2
If you wish to convert an angle in degrees to its equivalent in degrees, minutes and seconds:
e.g. 34.88°, the keystrokes are:
The display should read 34°52°48.00
Example 3
To find the sum of 5 hours 52 minutes 30 seconds and 7 hours 45 minutes 49 seconds:
The keystrokes are:
The display should now read 13°38°19.00 which is 13 hours 38 minutes and 19 seconds.
To convert this number on the display into hours, minutes and seconds, press
The display should read 13.638611 (hours).