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# Latex how to write bar

latex how to write bar: \bar versus \overline. \overline is more adjusted to the length of the letter, the subscript or the superscript than \bar

## Latex how to write bar: \bar

$\bar{X}$


$$\bar{X}$$

## Latex how to write bar: \overline

$\overline{X}$


$$\overline{X}$$

## Latex how to write bar: \bar versus \overline

$\bar{X} \overline{X}$
$\bar{X_n} \overline{X_n}$
$\bar{XY} \overline{XY}$
$\bar{X^\alpha} \overline{X^\alpha}$


$$\bar{X} \overline{X}$$

$$\bar{X_n}\overline{X_n}$$

$$\bar{XY} \overline{XY}$$

$$\bar{X^\alpha} \overline{X^\alpha}$$

We can clearly see that \overline is more adjusted to the length of the letter, the subscript or the superscript than \bar