RoofRiseIn12 ( Angle ; Precision )
Returns rise for a run of 12", given angle between 0 and 90º
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L. Allen Poole - Show more from this author
Creative Database Solutions NW
RoofRiseIn12 ( 37 )
RoofRiseIn12 ( 22 )
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
Convert's an engineer's slope measured in degrees into a roofer's ratio of inches rise per 12" run.
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