shell scripting - gives a message on Fridays and a countdown on other business days. Post: 302517465

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transcalc

transcalc(1)						      General Commands Manual						      transcalc(1)

NAME

       transcalc -- analysis and synthesis tool for microwave and RF transmsision lines

SYNOPSIS

       transcalc [-h/--help]  [-v/--version]

DESCRIPTION

       transcalc  is  an analysis and synthesis tool for calculating the electrical and physical properties of different kinds of RF and microwave
       transmission lines.

       Transcalc allows you to interactively edit substrate, component, physical and electrical parameters of a given transmission line. For  each
       type  of transmission line, using entry boxes, you can enter values for the various parameters, and either calculate its electrical proper-
       ties (press Analyze button or function key F3), or use the given electrical requirements to sythesize (press Synthesize button or  function
       key F4) physical parameters of the required transmission line.

       When run for the first time Transcalc	   creates a .transcalc directory under the user's home directory, where some configuration infor-
       mation is stored. Transcalc remembers the last transmission line parameters used when the user exits and  presents  those  parameters  when
       restarted.

       Calculated  results  are updated and presented within the user interface. Moving the mouse over the parameter labels pops up a more helpful
       tooltip about that parameter. For example, if you wonder what "Er" stands for, move the mouse over it and a helpful tooltip tells you  that
       it stands for relative permittivity.

       Transcalc  knows and converts between many unit types for length, frequency, resistance and angles. Default units can be saved by using the
       File->Options menu. Calculated results include conductor and dielectric losses in decibels (dB).

OPTIONS

       Transcalc has few command line options at this point.

       -v, --version
		 Causes transcalc  to print its version number (a string on the form MAJOR.MINOR, like 0.10) to the standard   output,	 and  then
		 exit.

AUTHOR

       transcalc  was written by Gopal Narayanan (gopal@astro.umass.edu) and Claudio Girardi (claudio.girardi@ieee.org). transcalc is available at
       http://transcalc.sourceforge.net/ (link to URL http://transcalc.sourceforge.net/) .

																      transcalc(1)