| dir2md | Display a directory hierarchical structure in Markdown syntax |
| dir2mm | Display hierarchical structure of a directory in FreeMind mind map |
| dir2r | Convert a hierarchical directory into R code |
| filterNULL | A function for markmap |
| get_eqloc | Get the index of equations in a string vector |
| get_filename_ext | Get the file name extension |
| guess_type | Guess the type of input or output |
| list2heading | convert lists to headings in a text |
| markmap | Create a mind map in HTML widget |
| markmapOption | Theme options for markmap creation |
| md2dir | Create hierarchical directories according to (R) Markdown-syntax text |
| md2mm | Convert (R) Markdown-syntax text to FreeMind mind map code |
| md2r | Convert (R) Markdown-syntax text into R code |
| mdtxt2mmtxt | Convert Markdown text to FreeMind mind map text. |
| mm | All-in-one wrapper for the conversion between (R) Markdown, FreeMind mind map, R code, directory structure, and HTML widget. |
| mm2dir | Generate hierarchical directories according to a FreeMind mind map |
| mm2md | Convert FreeMind mind map code into Markdown headings |
| mm2r | Convert FreeMind mind map code into .R code |
| outline | Extract headings of (R) Markdown-syntax text as an outline |
| r2dir | Generate hierarchical directories according to the outline of R code |
| r2md | Convert R code into (R) Markdown-syntax text |
| r2mm | Convert R code into FreeMind mind map code |
| rmvcode | Check whether a digital number is within a given range |