How to search the internet for strings that consist mostly of math notation?

34

$begingroup$

Is there a trick to search the internet for math notation? For example what if I want to search the internet for "X / ~" ? The default google search is useless for this and for similar searches where most of the search characters are not letters or numbers. Google code search allows this kind of search within source code, but this service will shut down in a few months and anyway it searches only source code not math.

online-resources

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

$endgroup$

• 
  
  
  

  
  12
  

  
  
  
  
  
  

  
  $begingroup$
  There's (uni)quation, and there's $LaTeX$ Search.
  $endgroup$
  – J. M. is not a mathematician
  Oct 21 '11 at 16:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
  $endgroup$
  – Zev Chonoles
  Oct 21 '11 at 16:43
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
  $endgroup$
  – Martin Sleziak
  Aug 25 '12 at 13:20
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
  $endgroup$
  – Martin Sleziak
  Apr 8 '14 at 11:58
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Above Latex search is useless, too.
  $endgroup$
  – Takahiro Waki
  Jan 7 '17 at 5:47
  

  
  
  
  

add a comment | 

34

$begingroup$

Is there a trick to search the internet for math notation? For example what if I want to search the internet for "X / ~" ? The default google search is useless for this and for similar searches where most of the search characters are not letters or numbers. Google code search allows this kind of search within source code, but this service will shut down in a few months and anyway it searches only source code not math.

online-resources

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

$endgroup$

• 
  
  
  

  
  12
  

  
  
  
  
  
  

  
  $begingroup$
  There's (uni)quation, and there's $LaTeX$ Search.
  $endgroup$
  – J. M. is not a mathematician
  Oct 21 '11 at 16:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
  $endgroup$
  – Zev Chonoles
  Oct 21 '11 at 16:43
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
  $endgroup$
  – Martin Sleziak
  Aug 25 '12 at 13:20
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
  $endgroup$
  – Martin Sleziak
  Apr 8 '14 at 11:58
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Above Latex search is useless, too.
  $endgroup$
  – Takahiro Waki
  Jan 7 '17 at 5:47
  

  
  
  
  

add a comment | 

34

34

34

25

$begingroup$

Is there a trick to search the internet for math notation? For example what if I want to search the internet for "X / ~" ? The default google search is useless for this and for similar searches where most of the search characters are not letters or numbers. Google code search allows this kind of search within source code, but this service will shut down in a few months and anyway it searches only source code not math.

online-resources

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

$endgroup$

Is there a trick to search the internet for math notation? For example what if I want to search the internet for "X / ~" ? The default google search is useless for this and for similar searches where most of the search characters are not letters or numbers. Google code search allows this kind of search within source code, but this service will shut down in a few months and anyway it searches only source code not math.

online-resources

online-resources

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

share|cite|improve this question

share|cite|improve this question

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

edited Aug 25 '12 at 13:18

Martin Sleziak

45k10122277

45k10122277

asked Oct 21 '11 at 16:37

optopt

819610

asked Oct 21 '11 at 16:37

optopt

819610

asked Oct 21 '11 at 16:37

optopt

819610

819610

• 
  
  
  

  
  12
  

  
  
  
  
  
  

  
  $begingroup$
  There's (uni)quation, and there's $LaTeX$ Search.
  $endgroup$
  – J. M. is not a mathematician
  Oct 21 '11 at 16:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
  $endgroup$
  – Zev Chonoles
  Oct 21 '11 at 16:43
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
  $endgroup$
  – Martin Sleziak
  Aug 25 '12 at 13:20
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
  $endgroup$
  – Martin Sleziak
  Apr 8 '14 at 11:58
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Above Latex search is useless, too.
  $endgroup$
  – Takahiro Waki
  Jan 7 '17 at 5:47
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  12
  

  
  
  
  
  
  

  
  $begingroup$
  There's (uni)quation, and there's $LaTeX$ Search.
  $endgroup$
  – J. M. is not a mathematician
  Oct 21 '11 at 16:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
  $endgroup$
  – Zev Chonoles
  Oct 21 '11 at 16:43
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
  $endgroup$
  – Martin Sleziak
  Aug 25 '12 at 13:20
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
  $endgroup$
  – Martin Sleziak
  Apr 8 '14 at 11:58
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Above Latex search is useless, too.
  $endgroup$
  – Takahiro Waki
  Jan 7 '17 at 5:47
  

  
  
  
  

12

12

$begingroup$
There's (uni)quation, and there's $LaTeX$ Search.
$endgroup$
– J. M. is not a mathematician
Oct 21 '11 at 16:40

$begingroup$
There's (uni)quation, and there's $LaTeX$ Search.
$endgroup$
– J. M. is not a mathematician
Oct 21 '11 at 16:40

$begingroup$
By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
$endgroup$
– Zev Chonoles
Oct 21 '11 at 16:43

$begingroup$
By the way, since this probably came up in relation to my answer here, I was using the notation in the context of an equivalence relation and, in particular, it refers to the set of equivalence classes, a.k.a. the quotient set
$endgroup$
– Zev Chonoles
Oct 21 '11 at 16:43

1

1

$begingroup$
I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
$endgroup$
– Martin Sleziak
Aug 25 '12 at 13:20

$begingroup$
I've retagged the question, since I believe that the tag searching was intended for questions about various search algorithms. If my impression is wrong, feel free to retag the question again. (If this is the case, it might be nice to correct the tag-wiki, too.)
$endgroup$
– Martin Sleziak
Aug 25 '12 at 13:20

$begingroup$
I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
$endgroup$
– Martin Sleziak
Apr 8 '14 at 11:58

$begingroup$
I found this and this (But I am unable to search for the query in the latter, although according to description here is should be a search interface.
$endgroup$
– Martin Sleziak
Apr 8 '14 at 11:58

$begingroup$
Above Latex search is useless, too.
$endgroup$
– Takahiro Waki
Jan 7 '17 at 5:47

$begingroup$
Above Latex search is useless, too.
$endgroup$
– Takahiro Waki
Jan 7 '17 at 5:47

add a comment | 

4 Answers
4

active

oldest

votes

6

$begingroup$

I recommend using symbolhound.com. I recently found this site, it will do a search for specific symbols, and is good for programming. May be good for math, just searched '4x^2' and it worked fine.

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

$endgroup$

add a comment | 

6

$begingroup$

See my side-project, it is developing its indices currently.

http://approach0.xyz

I will publish its first release when the entire math StackExchange is indexed.

Also, I am hoping someone interested can join and form a community to push this project forward, this is the reason I am posting here, even if this project is not fully ready for public using.

EDIT:

If you are interested in this project or have any amazing idea to help it improve, please follow this twitter account: https://twitter.com/approach0
, mention #approach0 to send feedbacks/questions. Approach0 will post updates on twitter too.

share|cite|improve this answer

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

$endgroup$

add a comment | 

2

$begingroup$

You can search for mathematical formulas and symbols using searchOnMath.

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

$endgroup$

add a comment | 

0

$begingroup$

A few years ago we developed the search engine SearchOnMath, in order to search for mathematical formulas. Recently our tool has indexed both: Mathematics and MathOverflow.

Currently, SearchOnMath is the mathematical search engine with the largest number of indexed sites (including Wikipedia, Wolfram MathWorld, among others ...).

The following video illustrates how it works:
SearchOnMath - a brief guide.

EDIT:

We’d love to hear your feedback.
We also posted on Meta.

share|cite|improve this answer

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

$endgroup$

add a comment | 

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4 Answers
4

active

oldest

votes

4 Answers
4

active

oldest

votes

active

oldest

votes

active

oldest

votes

6

$begingroup$

I recommend using symbolhound.com. I recently found this site, it will do a search for specific symbols, and is good for programming. May be good for math, just searched '4x^2' and it worked fine.

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

$endgroup$

add a comment | 

6

$begingroup$

I recommend using symbolhound.com. I recently found this site, it will do a search for specific symbols, and is good for programming. May be good for math, just searched '4x^2' and it worked fine.

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

$endgroup$

add a comment | 

6

6

6

$begingroup$

I recommend using symbolhound.com. I recently found this site, it will do a search for specific symbols, and is good for programming. May be good for math, just searched '4x^2' and it worked fine.

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

$endgroup$

I recommend using symbolhound.com. I recently found this site, it will do a search for specific symbols, and is good for programming. May be good for math, just searched '4x^2' and it worked fine.

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

share|cite|improve this answer

share|cite|improve this answer

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

edited Aug 25 '12 at 13:15

Peter Phipps

2,15622034

2,15622034

answered Aug 25 '12 at 12:30

EllieEllie

8314

answered Aug 25 '12 at 12:30

EllieEllie

8314

answered Aug 25 '12 at 12:30

EllieEllie

8314

8314

add a comment | 

add a comment | 

6

$begingroup$

See my side-project, it is developing its indices currently.

http://approach0.xyz

I will publish its first release when the entire math StackExchange is indexed.

Also, I am hoping someone interested can join and form a community to push this project forward, this is the reason I am posting here, even if this project is not fully ready for public using.

EDIT:

If you are interested in this project or have any amazing idea to help it improve, please follow this twitter account: https://twitter.com/approach0
, mention #approach0 to send feedbacks/questions. Approach0 will post updates on twitter too.

share|cite|improve this answer

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

$endgroup$

add a comment | 

6

$begingroup$

See my side-project, it is developing its indices currently.

http://approach0.xyz

I will publish its first release when the entire math StackExchange is indexed.

Also, I am hoping someone interested can join and form a community to push this project forward, this is the reason I am posting here, even if this project is not fully ready for public using.

EDIT:

If you are interested in this project or have any amazing idea to help it improve, please follow this twitter account: https://twitter.com/approach0
, mention #approach0 to send feedbacks/questions. Approach0 will post updates on twitter too.

share|cite|improve this answer

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

$endgroup$

add a comment | 

6

6

6

$begingroup$

See my side-project, it is developing its indices currently.

http://approach0.xyz

I will publish its first release when the entire math StackExchange is indexed.

Also, I am hoping someone interested can join and form a community to push this project forward, this is the reason I am posting here, even if this project is not fully ready for public using.

EDIT:

If you are interested in this project or have any amazing idea to help it improve, please follow this twitter account: https://twitter.com/approach0
, mention #approach0 to send feedbacks/questions. Approach0 will post updates on twitter too.

share|cite|improve this answer

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

$endgroup$

See my side-project, it is developing its indices currently.

http://approach0.xyz

I will publish its first release when the entire math StackExchange is indexed.

Also, I am hoping someone interested can join and form a community to push this project forward, this is the reason I am posting here, even if this project is not fully ready for public using.

EDIT:

If you are interested in this project or have any amazing idea to help it improve, please follow this twitter account: https://twitter.com/approach0
, mention #approach0 to send feedbacks/questions. Approach0 will post updates on twitter too.

share|cite|improve this answer

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

share|cite|improve this answer

share|cite|improve this answer

edited Aug 28 '16 at 11:47

edited Aug 28 '16 at 11:47

edited Aug 28 '16 at 11:47

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

answered Aug 28 '16 at 7:14

Wei ZhongWei Zhong

2281413

2281413

add a comment | 

add a comment | 

2

$begingroup$

You can search for mathematical formulas and symbols using searchOnMath.

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

$endgroup$

add a comment | 

2

$begingroup$

You can search for mathematical formulas and symbols using searchOnMath.

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

$endgroup$

add a comment | 

2

2

2

$begingroup$

You can search for mathematical formulas and symbols using searchOnMath.

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

$endgroup$

You can search for mathematical formulas and symbols using searchOnMath.

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

share|cite|improve this answer

share|cite|improve this answer

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

answered May 28 '15 at 5:47

Felipe AlmeidaFelipe Almeida

1818

1818

add a comment | 

add a comment | 

0

$begingroup$

A few years ago we developed the search engine SearchOnMath, in order to search for mathematical formulas. Recently our tool has indexed both: Mathematics and MathOverflow.

Currently, SearchOnMath is the mathematical search engine with the largest number of indexed sites (including Wikipedia, Wolfram MathWorld, among others ...).

The following video illustrates how it works:
SearchOnMath - a brief guide.

EDIT:

We’d love to hear your feedback.
We also posted on Meta.

share|cite|improve this answer

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

$endgroup$

add a comment | 

0

$begingroup$

A few years ago we developed the search engine SearchOnMath, in order to search for mathematical formulas. Recently our tool has indexed both: Mathematics and MathOverflow.

Currently, SearchOnMath is the mathematical search engine with the largest number of indexed sites (including Wikipedia, Wolfram MathWorld, among others ...).

The following video illustrates how it works:
SearchOnMath - a brief guide.

EDIT:

We’d love to hear your feedback.
We also posted on Meta.

share|cite|improve this answer

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

$endgroup$

add a comment | 

0

0

0

$begingroup$

A few years ago we developed the search engine SearchOnMath, in order to search for mathematical formulas. Recently our tool has indexed both: Mathematics and MathOverflow.

Currently, SearchOnMath is the mathematical search engine with the largest number of indexed sites (including Wikipedia, Wolfram MathWorld, among others ...).

The following video illustrates how it works:
SearchOnMath - a brief guide.

EDIT:

We’d love to hear your feedback.
We also posted on Meta.

share|cite|improve this answer

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

$endgroup$

A few years ago we developed the search engine SearchOnMath, in order to search for mathematical formulas. Recently our tool has indexed both: Mathematics and MathOverflow.

Currently, SearchOnMath is the mathematical search engine with the largest number of indexed sites (including Wikipedia, Wolfram MathWorld, among others ...).

The following video illustrates how it works:
SearchOnMath - a brief guide.

EDIT:

We’d love to hear your feedback.
We also posted on Meta.

share|cite|improve this answer

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

share|cite|improve this answer

share|cite|improve this answer

edited Feb 1 at 21:23

edited Feb 1 at 21:23

edited Feb 1 at 21:23

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

answered Jan 31 at 20:33

Flavio GonzagaFlavio Gonzaga

264

264

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