User's guide

User’s GUide — 51
Circle Area and Circumference
Find the area and circumference of a circle with a diameter of
25 Inches:
KEYSTROKE DISPLAY
  0.
2 5   DIA 25 INCH
 AREA 490.8739 SQ INCH
 CIRC 78-9/16 INCH
Basic D:M:S and Trigonometry Examples
Converting Degrees:Minutes:Seconds
Convert 23° 42’ 39” to decimal degrees:
KEYSTROKE DISPLAY
  0.
2   4 2    DMS 23.42.39
  (dms deg) 23.71°
Convert 44.29° to degrees:minutes:seconds format:
KEYSTROKE DISPLAY
  0.
4 4  2    (dms deg) DMS 44.17.24
Note: Improperly formatted entries will be redisplayed in the correct convention
after any operator key is pressed. For example, 30° 89’ entered will be correct-
ed and displayed at 31° 29’ 0” or 31.48°.
Trigonometric Functions
Trigonometric functions are available on the Pipe Trades Pro
calculator.
The drawing and formulas below list basic trigonometric
formulas, for your reference:
(cont'd)