Hd.B. 00 Mathematical Software (Mathematica ; Maple ...)
See also: 217 Program listings. Documentation. Software manuals (MATLAB)
Hd.B. 01 Encyclopedias (Mathematics)
Hd.B. 05 Mathematicians - Directories
Hd.B. 06 Teaching & research
Hd.B. 08 Dictionaries Handbooks
Hd.B. 08.1 Dictionaries (Mathematics)
Hd.B. 09 Mathematical writing
Hd.B. 09.1 Mathematical writing - Computerized typesetting
(see also 237.6 TeX ; LaTeX ; PostScript ...)
Hd.B. 52-109 Handbooks in various subjects
TAB. 01-109 Tables in various subjects