Context-sensitive functions browser

Alternatively, online help is available through the menu bar under Help. The question mark button on the tool bar will also invoke the Help Browser. Starting with 2008 releases, you can invoke a context-sensitive function browser, which lies on the left of the command prompt, and has the symbol f. You may type, for example, the command plot, and MATLAB will attempt to find all related MATLAB functions that include the word plot as part of their function names (Fig. 1.7). 

Figure 1.7 MATLAB context-sensitive functions browser, which lies on the left of the command prompt, and has the symbol f. ...

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