wb - Weight and Balance Calculator CGI package

Wb is an airplane weight and balance calculation package. The package consists of the following programs:

• mkwb.pl creates a web form (index.html) that has an envelope graph for any two and four passenger airplanes' weight and balance calculation
• wb.cgi is a CGI program that calculates weight and balance from the form created by mkwb.pl. GNUPLOT must be installed to use wb.cgi.

You can try wb.cgi here.