It may serve as a collection  and not a citable reference  of easytouse formulas for a fast calculation of basic values. Examples, e.g. for parameters of PETRA, are given for most equations and a pocket calculator is needed only.
Formulas for: 
PDF Files: 1. Accelerator Physics (73KB)
Focal length of quadrupols and wigglers, emittance, beam dimensions, beam lifetime, luminosity, synchrotron frequency...
Radiated power, power density, critical energy, divergence, spectral flux, brighthness...
Radiated power, fundamental wavelength, beam divergence, line broadening, spectral flux, brighthness...
SASE FEL: parameter, saturation length, photon peak power...
speed of light, rest energy, permeability and permittivity of free space, planck constant, (and Gaussian curve)...

Please send suggestions, additions and comments to Werner Brefeld, who has collected these formulas, or to the webmaster.