# Formula Search

example: F=ma, e^{jx}, \frac{1}{n} \sum x, \sin^2x+\cos^2x

## What is this?

This is testing implementation of Wikipedia Formula Search.

## Source code

- reform.rb
- Formula simplifier.
You can check formula conversion rule from this file.
- commit.rb
- Formula registerer.
- commit_tex.rb
- Formula registerer for TeX.
- commit_wp.rb
- Formula registerer for Wikipedia.
- commit_html.rb
- Formula registerer for HTML.
- search.rb
- Formula searcher.

They are distributed under GPL2 or later.
## Resources

QDBM
is used as backend DB.

Now, the data is from
Wikipedia and
Wikipedia japan and
PlanetMath.
物理のかぎしっぽ.
There are 112544 formulas.

Formula Solver uses same engine.

home
/
index

hamaji _at_ nii.ac.jp
/
shinichiro.h