.TH FORMULA_SUM 1 .SH NAME formula_sum \- parse and print the chemical formula sum as described in the CIF _chemical_formula_sum data item. .SH SYNOPSIS formula_sum sum.lst formula_sum sum1.lst sum*.lst .SH DESCRIPTION Parse and print the chemical formula sum as described in the CIF _chemical_formula_sum data item. .SH OPTIONS \-\-help, \-\-usage Output a short usage message (this message) and exit. \-\-version Output version information and exit. .SH "REPORTING BUGS" Report formula_sum bugs using e\-mail: cod\-bugs@ibt.lt