Brian Dunning's FileMaker Custom Functions

RoofRiseIn12 ( Angle ; Precision )

Returns rise for a run of 12", given angle between 0 and 90º

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L. Allen Poole   L. Allen Poole - Show more from this author
Creative Database Solutions NW
http://cdsnw.com

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  Sample input:
RoofRiseIn12 ( 45 )
RoofRiseIn12 ( 37 )
RoofRiseIn12 ( 22 )
  Sample output:
12
9 1/16
4 7/8

  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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