Generalizing numerical calculations Package Trak Input files TransitTime.MIN, TransitTime.EIN, TransitTime.TIN, TransitTime.BAT, TransitTime.xls, Abstract.txt TransitTime.zip Description The example demonstrates two numerical solution techniques. Using scaling laws to extend solutions for specific parameters to general physical processes. Using Windows batch files to run and to analyze large solution sets. The Trak calculation determines the transit time for an electron to accelerate from rest and cross a 1.0 m gap with a uniform electric field as a function of the applied voltage. The output energy ranges from non-relativistic to highly relativistic. Forty-six calculations are performed automatically under the control of a batch file. The batch process also extracts transit times from the listing files and records them in a summary file. The top figure shows a spreadsheet to generate input data and to analyze output data. The lower figure plots to results in terms of scaling parameters. In this way, the plot applies to any choice of gap width and to particles of any mass and charge. Comments The tutorial Generalizing numerical calculations gives a full description of the mathematics and run setup.