HP 32S-II Vertical Curve Program « Next Oldest | Next Newest »

 ▼ Ron Cardwell Junior Member Posts: 1 Threads: 1 Joined: May 2013 05-15-2013, 01:27 PM I new a guy from many years ago who wrote a program to solve for the elevation on a vertical curve, given station, elevation at BVC. Grade in and grade out, if you enter station to solve for, the elevation would be given. I forgot his name (its been 15 years and I live in a different state now) Does anyone have a program that they have written? ▼ Eddie W. Shore Posting Freak Posts: 764 Threads: 118 Joined: Aug 2007 05-15-2013, 04:02 PM If you know the horizontal length of the curve: ```LBL E INPUT I INPUT G INPUT H INPUT X * + INPUT H RCL- G 2 / INPUT L / RCL X x^2 * + RTN Where: LBL E for elevation I = initial elevation (BVC) G = grade in as a decimal X = location of the station H = grade out as a decimal L = total horizontal length of the vertical curve ``` Hope this helps, Eddie. ▼ Thomas Klemm Senior Member Posts: 735 Threads: 34 Joined: May 2007 05-20-2013, 07:54 AM Why do we have to INPUT H twice? Did you ever run that program? I think the correct formula to use is: E= I + G•X + H•(L - X) Kind regards Thomas

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