| .asc, .ascii |
"plain" format, used mainly for data to be read by "every" computer algebra system |
| .dvi | standard output of TeX systems, to be read on screen or printed by corresponding DVIdrivers |
| .gif | standard picture format, usually can be viewed directly by browser |
| .gif.gz | standard picture format, compressed by UNIX utility gzip; most browsers can be instructed to uncompress the file and show the picture |
| .htm, .html |
native WWW file. |
| .nb | MATHEMATICA notebook, can be viewed by free MATHEMATICA Player. |
| .ps | PostScript file to be printed on printers understanding this language. With corresponding software can be viewed on screen and printed on non-PostScript printers |
| .ps.gz | PostScript file, compressed by UNIX utility gzip. |
| file in Portable Document Format, can be viewed on screen with free Acrobat Reader. | |
| .pdf.gz | PDF file (see above), compressed by UNIX utility gzip. |
| .tex | LaTex2e file (maybe also obsolete LaTex2.09) |
| .txt | "plain" text file |