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Producing in text software: Windows XP and later require usage of number pad for entry.
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* In HTML documents, the characters can be produced with <code>&amp;#xAF;</code> ([[decimal]] <code>&amp;#175;</code>) and <code>&amp;#x305;</code> (<code>&amp;#773;</code>).
* In [[TeX]], a single symbol can be overlined with <code>\bar&nbsp;x</code> or <code>\bar{x}</code>. Longer sections can be overlined with <code>\overline{ABC}</code>, where a space is written as "<code>\&nbsp;</code>" and an [[umlaut]] is written as "<code>\ddot&nbsp;a</code>".
* In [[Microsoft Windows]], the symbol can be added with any program with the keystrokes [[Alt]]+0175 (where numbers are entered from the number-pad).
* In [[GTK]], the symbol can be added using the keystrokes [[Ctrl]]+[[Shift]]+U to activate [[unicode input]], then type "00AF" as the unicode for the character.
* In [[Microsoft Word]], overstriking of text can be accomplished with the <code>EQ \O()</code> field code. The field code <code>{EQ \O(x,¯)}</code> produces <span style="text-decoration: overline;">x</span> and the field code <code>{EQ \O(xyz,¯¯¯)}</code> produces <span style="text-decoration: overline;">xyz</span>.