SlitSizeCalculator 0 0 496 253 Dialog :/res/ball.ico:/res/ball.ico Qt::Vertical 20 40 Input Data true <html><head/><body><p>Close this window.</p></body></html> Close Output Slit Size (FWHM/2): true Unit: <html><head/><body><p>Compute the thickness or diameter.</p></body></html> Browse <html><head/><body><p>Help using the Kiessing fringe calculator.</p></body></html> Help