quick math/chemistry/physics technical writers question

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fire400

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Nov 21, 2005
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I'm trying to figure out what symbol we use for writing (indicating) "sub" elements such from the English keyboard.

For example, the "^" would be used a 7 (base) and exponent (upper character) would be 3, so 7^3

I can't figure out what H20 would look like, for example. I'm guessing it might be the "_", underscore? So, H_2_0, to seperate them?

I'm using Microsoft Word 2003, and I'm wondering if there are any shortcuts to write 'sub' letters or numeric characters. I'm sure there is a way, but I just want the correct symbol so I don't have to keep copying and pasting or miscommunicating in my papers and case studies.

AND...

Can anyone tell me if the "cirlce or zero" symbol with a dot directly (dot does not touch any sides and has no slashes whatsoever, but merely a solid point within the 'o') in the middle of it, from text books is usually:

theta, magnetic flux, electric potential, angle/radian, or anything not on this list?

It's frustrating, 'cuz I know it can't be "zero or the letter [O]" because all the other zeros and O's have nothing in them throughout the text book.

Thanks.
 
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DrPizza

DrPizza

Administrator Elite Member Goat Whisperer
Mar 5, 2001
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For common ones, you can create keyboard shortcuts. I used to do that in the old days when I had to type a lot of math formulas with squares and cubes in them. So, if you're using subscript 2 a lot, you can just map it to ctrl-2
 
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