10.0
2020-07-06
- Adjust app interface to fit all phone sizes.
- Improve some minor features.
9.6
2017-09-12
- Reduce app size by putting all language packages to server. Users can choose to download other languages after installing the app.
- Fix typos and bugs.
9.3
2017-06-27
Add 3 new languages: Kazakh, Uighur and Uzbekistan. Totally, this app supports 36 languages.
9.0
2016-04-08
- Add 1 new languages: Czech. Totally, there are 33 languages.
- Add a number of new formulas.
- Revise language translation of several languages.
- Correct some minor errors.
8.4
2016-01-22
- Add 1 new language: Bulgarian. Totally, there are 32 languages.
- Add several new formulas.
- Fix some minor errors.
8.3
2015-10-20
- Add your own tools: when you do not want to repeat a calculation with the same formula, you can create your own tool with several variables and results.
- Add 3 new languages: Serbian, Khmer and Hebrew. Totally, there are 31 languages.
- Add a number of new formulas.
- Revise language translation of several languages.
- Correct some minor errors.
7.1
2015-08-20
- Add two new languages: Hungarian and Swedish (totally there are 28 languages).
- New function that helps users turn off the advertising banner.
- Fix several errors and bugs.
7.0.1
2015-01-04
- Add your own formulas: users can now add their own formulas or notes in the Favorite folder. The formulas can be added by taking pictures from camera, or from users' album.
- Fix some bugs with Chinese and French.
7.0
2014-12-08
- Add your own formulas: users can now add their own formulas or notes in the Favorite folder. The formulas can be added by taking pictures from camera, or from users' album.
- Add some formulas for the Free version.
6.0
2014-10-15
- Add new set of tools, "Units Converter", including: Weight, Length, Area, Volume, Speed, Time, Temperature, etc.
- Add two new languages: Ukrainian and Azerbaijani. Total: 27 languages.
- Revise language translation of several languages.
- Correct some minor errors.
5.1
2014-07-24
- Add new section: Maths Tricks. Some tips for calculation with no help from calculators, computers, or pen and paper.
- Improve some images.
5.0
2014-06-12
What's new in version 5.0:
- Add 2 new languages: Romanian and Persian. Totally, there are 24 languages.
- Add 2 new sections: Matrix and Statistics.
- Fix some bugs.
4.2
2014-04-14
- Add new language: Polish. Totally, there are 22 languages.
- Revise some images.
- Fix some bugs.
4.1
2014-03-25
- Add two new languages: Turkish and Dutch. Totally 21 languages.
- Add new formulas and revise some images.
- Fix typos and bugs.
4.0
2014-03-06
- New interface iOS7.
- Add four new languages: Arabic, Hindi, Bengali and Malay. Total 19 languages.
- Fix some bugs and typos.
3.4
2014-01-16
- Add four new languages: Italian, Greek, Indonesian and Thai. Total 15 languages.
- Revise translation errors in several languages and typos.
3.3
2013-12-05
- Add five new languages: German, Korean, Russian, Portuguese, and Traditional Chinese.
- Revise translation errors in several languages and typos.
3.2
2013-11-08
- Add new category "Units Conversion": conversion of all common units.
- Add some new formulas and improve some formulas' interfaces.
3.1
2013-10-22
- Add 2 new languages: Japanese and Spanish.
- Correct some typos and improve presentation of some formulas.
3.0
2013-10-08
- Add two new languages: Chinese and French.
- Correct some typos and improve presentation of some formulas.
2.1
2013-09-09
More interesting features are added to version 2.0:
- Bi-language Vietnamese-English: change between English and Vietnamese by just a button click.
- Favorite folder: users can save frequently used formulas into this folder.
- Search function: in each category, type on Search bar to quickly get a formula.
Version 2.1
- Fix some bugs and update more minor features