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Section 3: Functions 39
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Sample Case: Adding/Subtracting DDDDD.MMSS. Find the sum of 45° 10′ 50″
and 44° 49′ 10″
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Press
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See Displayed
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Comment
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DSP 4
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45.1050
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ENTER
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44.4910
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fD.MS+
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Answer 90° 00′ 00″
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A musical selection begins at 9:25′ 7″ and ends at 9:39′ 47″
How long is the piece?
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Press
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See Displayed
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Comment
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DSP 4
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9.3947
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Completion time.
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ENTER
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9.2507
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Starting time.
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f-1D.MS+
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Answer, 14′ 40″ duration.
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DSP 2
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Reset display to two places.
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Sample Case: Trigonometric Functions. Compute cosine 60.
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Press
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See Displayed
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Comment
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gDEG 60
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fCOS
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Answer.
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Compute arc cosine (—1.) expressed in radians.
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Press
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See Displayed
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Comment
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gRAD 1 CHS
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f-1COS
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Answer in radians.
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Compute sine 30°.
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Press
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See Displayed
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Comment
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gDEG 30
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fSIN
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Answer.
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