Parabolic trough calculator

This module computes the dimensions of the end plate of a closed parabolic trough solar collector. All lengths are of the same unit. See http://wims.unice.fr/xiao/solar/diy-en.pdf for detailed instructions.
Type of reflective surface:
Width of the reflective surface (Le):
Distance from upper line to focal point ():
Thickness of the back plate (Tb):
Value step:
Bearing radius ():

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Description: determining the design parameters of small closed parabolic troughs interactive exercises, online calculators and plotters, mathematical recreation and games

Keywords: interactive mathematics, interactive math, server side interactivity, engineering, geometry, engineering, parabolic trough, parabola