1/17/11

Original Poster

MaximusBird# How can I make a dot over a single letter?

1 Recommended AnswerGoogle docs only allows to put indices in the upper right or lower right corner around a letter. Is it possible to write exactly OVER a letter? Or only making a simple dot?

Community content may not be verified or up-to-date. Learn more.

Recommended Answer

1/17/11

ahabDid you try inserting an

*equation*and then typing in the LaTeX expression**\dot{x}**(I found I had to manually remove the braces afterwards by a dotted x would remain.)

Unfortunately I could not make the LaTeX

**\overset{3}{x}**workRecommended by

**Original Poster**Was this answer helpful?

How can we improve it?

All Replies (7)

1/17/11

ahabDid you try inserting an

*equation*and then typing in the LaTeX expression**\dot{x}**(I found I had to manually remove the braces afterwards by a dotted x would remain.)

Unfortunately I could not make the LaTeX

**\overset{3}{x}**work1/18/11

Bas BraamsNice find, ahab, of this apparently undocumented feature. "\dot x" followed by carriage return will do too, and more generally something like "dot anything" followed by CR centers the dot above the anything. The related documented features are the \overline, \widehat and \tilde (see Operators with variables in [1]).

1/18/11

ahab"this apparently undocumented feature."

It may be undocumented in the help topics but I believe it was in an official Google Docs forum blog or in this forum the allowed use of LaTeX expressions was mentioned.

1/18/11

Bas BraamsOK ahab, I guess that counts as documentation too. Let it hereby be documented that \ddot gives us the second derivative in fluxion notation. However, not just any LaTeX symbol is recognized as a Documents equations symbol. I've been looking for some other undocumented ones and they all were undocumented for a reason -- they don't exist in Documents equations mode.

1/18/11

Original Poster

MaximusBirdthanks for your quick help - this works

1/18/11

Bas BraamsI just noticed a few other undocumented ones. The \widehat is mentioned in [1], but there is also the ordinary \hat, which doesn't grow with whatever it is covering. The binomial brackets are in the visual menu, but the \binom shortcut exists although it isn't mentioned in [1]. I haven't been able to locate the norm symbol, LaTeX \norm; a pair of double vertical bars that should grow with whatever is inside like the other brackets that are supplied in the equations menu (round brackets, square brackets, braces, and the absolute value pair). I'm also missing the angular brackets that are often used to denote an average of some kind. They too should grow with whatever is inside. The norm symbol and the angular brackets are very common; they really should be added to the collection with priority.

1/19/11

Bas BraamsSome more presently undocumented mathematical symbols and their shortcuts. The \overline is in the Mathematical Equations help article and it is what you get also from the point-and-click menu, but there is also an \underline, not documented and not in the point-and-click. The overline and underline grow with to what they are attached. There is a \bar if you want a fixed-width overbar. There is also a \vec for the vector arrow, as in "\vec x". Earlier in this conversation we took note of \dot, \ddot and \hat (all undocumented and not in the point-and-click) and of the \binom keyboard shortcut.

This question is locked and replying has been disabled. Still have questions? Ask the Help Community.

### Badges

Some community members might have badges that indicate their identity or level of participation in a community.

Community content may not be verified or up-to-date. Learn more.

### Levels

Member levels indicate a user's level of participation in a forum. The greater the participation, the higher the level. Everyone starts at level 1 and can rise to level 10. These activities can increase your level in a forum:

- Post an answer.
- Having your answer selected as the best answer.
- Having your post rated as helpful.
- Vote up a post.
- Correctly mark a topic or post as abuse.

Having a post marked and removed as abuse will slow a user's advance in levels.

### View profile in forum?

To view this member's profile, you need to leave the current Help page.

### Report abuse in forum?

This comment originated in the Google Product Forum. To report abuse, you need to leave the current Help page.

### Reply in forum?

This comment originated in the Google Product Forum. To reply, you need to leave the current Help page.