Calculated Industries 4090 - Manual (Page 46)

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Converting Pitch to Angle/Tangent
Find the angle and corresponding Tangent for a roof with an 8/12
Pitch:
KEYSTROKE DISPLAY
1. Enter Pitch:
o o 0.
8 i p PTCH 8
INCH
2. Convert Pitch to degrees:
p /_ Ø 33.69007°
3. Find Tangent or slope:
p p 0.666667
D:M:S EXAMPLE
Converting Degrees:Minutes:Seconds
Convert 23°42’39” to Decimal Degrees:
KEYSTROKE DISPLAY
o o 0.
2 3 • 4 2 • 3 9 DMS 23.42.39
Ç • (degrees) 23.71083°
Convert 44.29° to degrees:minutes:seconds format:
KEYSTROKE DISPLAY
o o 0.
4 4 • 2 9 Ç • (d:m:s) 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 corrected and dis-
played at 31°29’ 0” or 31.48333°.