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#### 10.1.3 Displaying Selections

The `j d` (`calc-show-selections`) command controls how selected sub-formulas are displayed. One of the alternatives is illustrated in the above examples; if we press `j d` we switch to the other style in which the selected portion itself is obscured by ‘`#`’ signs:

               3    ...                  #    ___
        (a + b)  . . .            ## # ##  + V c
    1*  ...............       1*  ---------------
            . . . .                   2 x + 1

If the customizable variable `calc-highlight-selections-with-faces` is non-`nil`, then the non-selected portion of the formula will be de-emphasized by using a less noticeable face (`calc-nonselected-face`) instead of dots and the selected sub-formula will be highlighted by using a more noticeable face (`calc-selected-face`) instead of ‘`#`’ signs. (see Customizing Calc.)