Texas Instruments TI-60 Owner's Manual page 51

CHAPTER 1-6
CONVERSION KEYS
The [IWV 2nd (DMS-DDJ Key sequence converts an angle from decimal
degrees icx decimal hours) to degrees/mmutes/seconds tor hours/minutes/
seconds) Enter the angles as D ddddddddd and press WV H 2nd I
(DMS-OO)
Note : Although these angles are expressed In degrees, the calculator does
not have to be in degree mode when you use the 2nd J (DMS-OO) and
WV 12nd pMS-DO] key sequences. You cart perform these conversions
in any anglo mode.
Example 1 :
Convert 3*1'30 456" to decimal degrees and back
Press
GHHQBD
3.0130456
[Jtod [DMS-OO)
WV 2nd pMS-OD)
Display Comments
0 Dear calculator
3.0130456
3 025126667 Convert to decimal
degrees
3.0130456 Convert to
deg/rrwVaec
Example 2 :
The 2nd [DMS-DO) andifMV 2nd [DMS-ODJ key sequences also convert
hours/mlnutes/seconds to decimal hours and vice versa In this format, the
digits to the left ot the decimal represent hours instead of degrees
Convert 1 hour 90 minutes to decimal hours and beck
Press Display Comments
H0PP1 I ON ] 0 Clear calculator
1.9 2nd (DMS-DO) 2 5 Convert lo decimal
hours
INV 2nd [DMS-ODJ 2.3 Convert lo
hours/mm/sec
Note : It you convert a value with 60 or more minutes or seconds, the
reverse conversion may express the original value In a different form. Notice
that 1 hour and 90 minutes is the same as 2 hours and 30 minutes
41-OB