Solution 12652: Decimal Degrees (DD) to Degrees, Minutes, Seconds (DMS) Conversions on the TI-81.
How do I perform decimal degrees (DD) to degrees, minutes, seconds (DMS) conversions on the TI-81?
The TI-81 does not have built-in DMS-DD conversion features. However, these features can be added to the graphing calculator with the following programs.
1. The following program adds DMS to decimal degrees conversions to the TI-81:
Prgm1:DMS :Disp "DEGREE" :Input D :Disp "MINUTES" :Input M :Disp "SECONDS" :Input S :D+M/60+S/3600->D :Disp D
2. The following program adds decimal degrees into DMS conversions to the TI-81:
Prgm2:DD :Disp "DECIMAL DEGREE" :Input I :IPart I->D :(FPart I)*60->M :IPart ((FPart M)*60)->S :IPart M->M :D+M/100+S/1000->D :Disp D
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