n.  Angle/Time conversions
To  convert  an  angle  given  as  degrees/minutes/seconds to  its decimal  equivalent,  it must be entered as 
integer and decimal respectively.
Convert 12°47'52" to its decimal equivalent 
Key in:  12.4752  S   C=]
Answer:  12.79777778
When  converting  decimal  degrees  to  the  equivalent  degrees/minutes/seconds,  the  answer  is  broken 
down:  integer  portion  =  degrees;  1st  and  2nd decimal  digits =  minutes; 3rd  and 4th  digits = seconds; 
and the 5th through end decimal digits are decimal seconds.
Convert 24.7256 to its degree/minute/second equivalent 
Key in:  24.7256  (2nd  F)  E™§C=]
Answer:  24.433216 or 24°43'32"
A  horse  has  track  times  of  2  minutes  25  seconds,  2  minutes  38 seconds, and  2 minutes 22 seconds. 
What is the average running time?
21