Education Technology

Solution 11735: Performing Degrees, Minutes, Seconds (DMS) Conversions Using the TI-83 Family, TI-84 Family and TI-Nspire™ Handheld in TI-84 Plus Mode.

How do I perform degrees, minutes, seconds (DMS) conversions using the TI-83 family, TI-84 Plus family and TI-Nspire handheld in TI-84 Plus mode?

The TI-83 family, TI-84 Plus family and TI-Nspire handheld in TI-84 Plus mode recognizes a number as degrees, minutes, seconds (DMS) when that number is input using the following format:

15°12'8"

The above number would be interpreted as 15 degrees, 12 minutes and 8 seconds.

Below is an example of how to convert a number from decimal degrees to degrees, minutes, seconds.

Example: Convert the number 15.375 into degrees, minutes, seconds.

1) Make sure the handheld is in DEGREE mode by pressing [MODE], scrolling to DEGREE and pressing [ENTER]. Press [2nd] [MODE] to QUIT and return to the home screen.
2) Input 15.375.
3) Press [2nd] [APPS] to access the ANGLE menu, then press the [4] key to select the ►DMS function (convert to degrees, minutes, seconds). Press [ENTER] to complete the conversion process.



Below is an example of how to convert a number from degrees, minutes, seconds to decimal degrees.

Example: Convert the number 15°22'30" into decimal degrees.

1) Input 15, then press [2nd] [APPS] [1] to input the degrees symbol.
2) Input 22, then press [2nd] [APPS] [2] to input the minutes symbol.
3) Input 30, then press [ALPHA] [+] to input the seconds symbol. Press [ENTER] to complete the conversion process.



Please see the TI-83 Plus Family and TI-84 Plus Family guidebooks for additional information.

TI-Nspire handheld in TI-84 Plus mode users may refer to the TI-84 Plus family guidebook.