ALT Codes - Alt Codes for Maths / Mathematics
Welcome to Useful Shortcuts, THE Alt Code resource!
If you are already familiar with using alt codes, simply select the alt code category you need from the table below.
If you need help using alt codes find and note down the alt code you need then visit our instructions for using alt codes page.
List of Alt Codes for entering Mathematical Symbols
| Alt Code | Symbol | Description |
|---|---|---|
| Alt 48 - 57 | 0 - 9 | zero to nine |
| Alt Codes for Basic Operators | ||
| Alt Code | Symbol | Description |
| Alt 43 | + | Plus Sign |
| Alt 45 | - | Minus Sign |
| Alt 0215 | × | Multiplication Sign |
| Alt 0247 | ÷ | Obelus / Division ign |
| Alt Codes for Pers | ||
| Alt Code | Symbol | Description |
| Alt 37 | % | Percentage Sign |
| Alt 0137 | ‰ | Per mille (per thousand) |
| Alt Codes for Bracketing | ||
| Alt Code | Symbol | Description |
| Alt 40 | ( | Open Bracket |
| Alt 41 | ) | Close Bracked |
| Alt Codes for Degree of Accuracy | ||
| Alt Code | Symbol | Description |
| Alt 241 | ± | Plus or Minus |
| Alt Codes for Fractions | ||
| Alt Code | Symbol | Description |
| Alt 47 | / | Fraction seperator |
| Alt 0188 | ¼ | Quarter |
| Alt 0189 | ½ | Half |
| Alt 0190 | ¾ | Three quarters |
| Alt 46 | . | Decimal Point |
| Alt Codes for Equality | ||
| Alt Code | Symbol | Description |
| Alt 240 | ≡ | Exactly Identical |
| Alt 61 | = | Equals |
| Alt 247 | ≈ | Approximately equal |
| Alt Codes for Inequality | ||
| Alt Code | Symbol | Description |
| Alt 60 | < | Less Than |
| Alt 62 | > | Greater Than |
| Alt 242 | ≥ | Greater than or equal |
| Alt 243 | ≤ | Less than or equal |
| Alt Codes for Powers | ||
| Alt Code | Symbol | Description |
| Alt 251 | √ | Square Root |
| Alt 252 | ⁿ | Power n |
| Alt 0185 | ¹ | To the power of 1 |
| Alt 0178 | ² | squared |
| Alt 0179 | ³ | cubed |
| Angles and Trigonometric Alt Codes | ||
| Alt Code | Symbol | Description |
| Alt 227 | π | Pi |
| Alt 248 | ° | Degree sign |
| See also Greek Alphabet Alt Codes | ||
| General Mathematical Symbols | ||
| Alt Code | Symbol | Description |
| Alt 35 | # | Number |
| Alt 236 | ∞ | Infinity |
| Alt 230 | µ | Micro |
| Alt 228 | Σ | Sum |
| Alt 239 | ∩ | Suggest definition |
| Integration / Integral Sign | ||
| Alt Code | Symbol | Description |
| Alt 244 | ⌠ | Top half |
| Alt 245 | ⌡ | Bottom Half |
Comments
124 comments
Submitted by Anonymous (not verified) on Thu, 10/15/2009 - 16:00.
Thanks: Very Useful
Submitted by Pay for Performance (not verified) on Sat, 04/23/2011 - 06:03.
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Many thanks for providing such handy information.
Submitted by pasco county realtor (not verified) on Tue, 08/30/2011 - 06:37.
Very easy step by step guidelines on the codes. Thank you very much.
Submitted by Zdrowe Odzywianie (not verified) on Tue, 09/06/2011 - 16:28.
Awesome post. I just wanted to say that I have really enjoyed reading through your blog posts. Thanks for the great content..
Submitted by Anonymous (not verified) on Thu, 06/02/2011 - 18:15.
you have to use the font Ariel Unicode MS
Submitted by Anonymous4856 (not verified) on Tue, 07/12/2011 - 22:46.
∞ did for me
Submitted by Anonymous (not verified) on Thu, 07/28/2011 - 02:32.
it doesn't work for me either, even in that font mentioned 'Arial unicode Ms'
Submitted by Anonymous (not verified) on Mon, 10/03/2011 - 23:34.
Alt+236 doesn't work for me either, i get the symbol ý when i type in Alt+236
Submitted by Dave (not verified) on Sun, 08/28/2011 - 13:58.
∞ called lemniscate or infinity symbol uses the Alt + 236 code just as you stated. I just used it to produce ∞. I am using Windows. Maybe you are not. I don't know if your system is something different which does not work for this symbol.
Submitted by Anonymous (not verified) on Thu, 06/23/2011 - 15:31.
I'm not getting the "intersection of two sets" symbol with that code. Instead I'm getting "´".
Submitted by Anonymous (not verified) on Wed, 06/08/2011 - 02:22.
0189 ½
0188 ¼
Submitted by forex (not verified) on Mon, 08/01/2011 - 14:16.
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Submitted by tJaniShielau (not verified) on Tue, 05/15/2012 - 18:13.
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Submitted by JASON (not verified) on Thu, 01/28/2010 - 17:51.
THIS PAGE WAS HELPFUL. I'D LIKE TO PRINT IT OUT THOUGH.
Submitted by Anonymous (not verified) on Tue, 04/26/2011 - 04:41.
copy and paste or go to file print. you can print this all out
Submitted by Anonymous (not verified) on Wed, 02/10/2010 - 12:59.
Thanks helped me alot
Submitted by ThanksNumber2 (not verified) on Sat, 02/20/2010 - 09:56.
this was very great i enjoyed learning it and i shall be useing it in the future
Submitted by yonse (not verified) on Sun, 03/14/2010 - 14:11.
Doesn't work with OneNote but the Pi symbol is on the character map. Can't figure out how to use it in OneNote. Thanks.
Submitted by Anonymous (not verified) on Thu, 04/08/2010 - 03:47.
Thanks a lot for help, was quite a godsend discovering of your website
Submitted by Anonymous (not verified) on Thu, 04/08/2010 - 22:16.
What code can you use to place a number at the bottom of the line instead of the top? For instance ³ say I want the three on the bottom, like in a chemistry equation.
Submitted by Anonymous (not verified) on Sun, 04/24/2011 - 09:08.
control shift + for superscript and control shift - for subscript
Submitted by Anonymous (not verified) on Sun, 04/18/2010 - 12:05.
Helped alot, thanks.
Submitted by Anonymous (not verified) on Mon, 11/07/2011 - 00:56.
1/3 and 2/3 are Unicode, not ASCII.
Submitted by Anonymous (not verified) on Mon, 07/04/2011 - 09:17.
227 WORKS WELL FOR ME π π π ☺
Seán
Submitted by Cole A. (not verified) on Mon, 05/03/2010 - 15:42.
Thanks for all these great Alt codes! thaey help me out in math so much! i have been wandering for so long how to make mathmaticel Alt code haha well i know i have tyed alot but i like typing :/ Well i guess i should go the :) Thanks Again!
Submitted by Anonymous (not verified) on Sat, 08/20/2011 - 03:58.
I am incorporating these signs in my website to let teachers be able to type math problems as if they were writing in hand. Please take a moment to also send me your feedback on my site if you like to.
Submitted by Anonymous (not verified) on Wed, 05/05/2010 - 15:04.
wow you can see so much more JUST OPEN YOUR carter's map
on your menu(accessories)
Submitted by Jeffrey Decker (not verified) on Mon, 05/10/2010 - 19:12.
Thank you very much i was wondering what the invinity code was!
Submitted by Wyand (not verified) on Sat, 05/15/2010 - 18:13.
Thank you!
Submitted by Ben (not verified) on Sat, 07/31/2010 - 12:58.
The sign you weren't sure about - ∩ - is 'Intersection', used in set theory to denote value that appear in all the specified sets.
e.g. Set A = {2,3,4}, Set B = {3,4,5}
Therefore the set A∩B consists of {3,4}.
Submitted by Bethany (not verified) on Thu, 02/03/2011 - 12:26.
I believe you are talking about a parabolic curve? Created on a 4 quadrant graph when the coordinates are joined together. Making a bowl shape affect. See link: http://www.google.co.uk/imgres?imgurl=http://www.aanda.org/articles/aa/f...
Submitted by boat building (not verified) on Wed, 09/14/2011 - 18:26.
I believe you are talking about a parabolic curve? Right. Thanks.
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Submitted by subcorpus (not verified) on Sat, 09/18/2010 - 06:25.
this a good list ...
thank you for sharing !!!
Submitted by Anonymous on Sun, 09/26/2010 - 20:12.
it needs a doesn't equal sign. :/
Submitted by sarit (not verified) on Sat, 10/09/2010 - 07:23.
Can u tell me please how should i write the 5/8 fraction using the alt key?
Submitted by VonHooters (not verified) on Tue, 10/12/2010 - 23:40.
the Pi symbol looks like a square-ish n instead of having a wavy top
Submitted by nha khoa (not verified) on Wed, 09/28/2011 - 04:41.
Great site having lot of useful information of the Power project. As this site may help many professional peoples. Thanks for sharing this information.!!!!
Submitted by Anonymous (not verified) on Mon, 10/25/2010 - 13:42.
Brilliant Thanks
Submitted by Anonymous (not verified) on Mon, 11/01/2010 - 15:32.
VERY INFORMATIVE! good.
Submitted by Anonymous (not verified) on Fri, 11/05/2010 - 01:45.
Yay. This is great. Hi Stephen.
Submitted by air dryers (not verified) on Thu, 05/12/2011 - 11:07.
The name of the character comes from Spanish and Portuguese, from the Latin titulus meaning "title" or superscription", though the term “tilde” has evolved and now has a different meaning in linguistics.It was originally written over a letter as a mark of abbreviation, but has since acquired a number of other uses as a diacritic mark or a character in its own right.
Submitted by Clint (not verified) on Wed, 11/10/2010 - 15:22.
Nifty.
Submitted by Anonymous (not verified) on Sat, 11/20/2010 - 13:41.
on my pc ALT 236 = "ý", not "∞"... i have a problème ?
Submitted by wireless dog fence system (not verified) on Tue, 12/07/2010 - 08:04.
Thanks buddy, this is very nice post..... very helpful.
Submitted by possible (not verified) on Mon, 02/07/2011 - 14:13.
verrrrrrrrrrry Good Job
THANKS
Submitted by Anonymous (not verified) on Wed, 02/16/2011 - 02:30.
Thanks; was looking for integral sign
Submitted by serial killers list (not verified) on Tue, 02/22/2011 - 12:20.
The mathematical codes in one single blog, thanks dude for sharing this wonderful post.
Submitted by Amish Furniture (not verified) on Tue, 02/22/2011 - 14:19.
Thanks for the Alt Code. It will be very useful for me. Keep posting.
Submitted by Amish Furniture (not verified) on Fri, 02/25/2011 - 07:44.
Thanks a lot. It helps me a lot. You have done a great job man. Keep posting.
Submitted by Rooni (not verified) on Sat, 02/26/2011 - 06:08.
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