A collection of useful programs. *mymd5sum* Prints just the md5sum of a file - nothing fancy It can't read from stdin, don't print length etc. Just the md5 checksum. *myfilelength* Prints the file length of its one argument in bytes. *locatediff* Shows the differneces between two binary files. Useful if a bitmap shows differing results on two differnt macines. This makes it possible to see if its an odd pixel, or a major problem. *coax* computers the impedance of a coaxial or ecentric coaxial structure. *dualcoax* computes the impedance of a coaxial line with two concentric dielectrics.