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Unit and Currency Converter for iPhone 
About
I'm coming from MS world, and actually my iPhone was the first Mac I ever touched. This toy was so cool that I just had to learn how to play with it. Zero Objective-C knowledge and lack of official SDK didn't stop me from trying, and after a few sleepless nights I've created my first iPhone application (well, without counting HelloWorld). I hope you'll find it useful :)
Donations 
I'm developing this application during my (very limited) spare time: I have a family and a day job. If you like the application (and have some spare money) please donate by clicking the above button.
Installation
Now the application is hosted on ModMyiFone.com community source (Utilities -> Converter). You should have this source by default, but here it is just in case: http://www.modmyifone.com/installer.xml
Updates
25 March (0.22 release)
1. New measurements: Acceleration, Angle, Prefixes, Luminance, Data Transfer, Force.
2. Measurements order is now editable: Just like units order in Advanced mode.
3. Ruler: Big thanks to Billy Chasen!
4. New currency rates provider: Data provided by http://www.iccfx.com. Huge thanks to Frederic!
5. Shake to refresh currency rates: No need to go to Settings screen, just shake your iPhone!
6. New languages
- Polish by Piotr Biegala and Tomasz Szeweluk
- Dutch by Herbert Kats
- Portuguese by Helvécio
- Traditional Chinese by Jerry
7. Scientific notation support: No more "<ε" results!
8. Standard localization support: Now I'm using Mac's standard localization technique (.lproj folder for each language). BTW as a side effect, you'll need to restart the application after changing the language.
Screenshots
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Old Updates
05 March
Following many many requests I'm using now additional(third!) online currency provider, so the following 44 new currencies were added:
1 Andorran Franc 2 Andorran Peseta 3 Armenian Dram 4 Angolan Kwanza 5 Angolan New Kwanza 6 Azerbaijan Manat 7 Azerbaijan New Manat 8 Bosnian Mark 9 Botswana Pula 10 Belarusian Ruble 11 Congolese Franc 12 Cuban Convertible Peso 13 Cape Verde Escudo 14 Djibouti Franc 15 Ecuador Sucre 16 Falkland Islands Pound 17 Georgian Lari 18 Ghanaian New Cedi 19 Gibraltar Pound 20 Guyanese Dollar 21 Kyrgyzstanian Som 22 Cambodian Riel 23 North Korean Won 24 Lao Kip 25 Liberian Dollar 26 Libyan Dinar 27 Malagasy Ariary 28 Malagasy Franc 29 Myanmar Kyat 30 Mozambique Metical 31 Mozambique New Metical 32 Romanian Lei 33 Serbian Dinar 34 Rwandan Franc 35 Sudanese Old Pound 36 St. Helena Pound 37 Somali Shilling 38 Suriname Dollar 39 Suriname Guilder 40 Syrian Pound 41 Turkmenistan Manat 42 Turkish Lira 43 ECU 44 Yugoslav Dinar
27 Feb(0.21 release)
1. Advanced Mode: now it's possible to see more than just "from" and "to" units, results are displayed for all units. Also in advanced more it's possible to rearrange the units' list as you wish.
2. More Languages:
- Spanish by J. Palacio and Southie
- Chech by janvacula
- Simplified Chinese by super3547
- Danish by Nikolaj Mogensen
- Logical Hebrew support (big thanks to Amir Leshem)
3. Update Currencies issue on 1.1.3 firmware: It should work now! (let me know...) Also, any 1.1.4 feedback is welcome!
4. No new measurements/units: I know I promised to add more measurements... I'm planing a major update (both for content and technology) for the next version, so please be patient (I'm sorry to keep you waiting...).
08 Feb(0.20 release)
As always, before I update the Installer - let me know if there're any problems...
- It's not a major release in any way: main focus was on translations and small fixes here and there.
- A lot of people have contributed their hard work by translating the app. Thanks so much for that!
Catalan by Joan Carles "Vei" Tasies
French by Khelen
German by Christian Arnold aka meilon
Italian by biempi
Latvian by cosmoLV
Russian by me :)
Swedish by Henrik Jönsson
- I've reorganized the "Clothing" category, and now it contains more units.
31 Jan(0.19 release)
Before I update the Installer - let me know if there're any problems...
- Now storing "recently used" units. So it's much easier to work with long lists (like currencies). Currently the value is hardcoded (but will be configurable in the future versions).
- Localization support. Now the application can be easily translated (I've started with Russian and Hebrew).
- Numerous ui enhancements and bug fixes.
- For those upgrading to 1.1.3 - the application seems to work just fine.
- 23 Jan: Now currencies are calculated based on Euro: there're some european (not longer used) currencies with fixed euro rates, but many people asked to include them in the currencies list. So it did it :) (You need to refresh the rates from the Settings screen).
- 20 Jan: (0.18c/d bug fixing release)
- Fixed 1.0.2 compatibility issue.
- Fixed fuel consumption conversion issues.
- Finally I've managed to merge results from two different currency rate providers, and now missing currencies (Fiji dollars, Bulgaria Leva, etc.) are back. Make sure to refresh your rates (from Settings screen) to get the updated data.
- 17 Jan: (0.18 release) At last I've found a few hours to work on the application!
- Added clothing conversions (currently for shoes only - will add more later)
- Added more measurements/units according to your requests :)
- Old Updates - scroll down if you're interested...
- 11 Jan: I've switched the currency rates service provider. Now you should be able to see more currencies (people were asking for Ukraine Hryvnia, Latvian Lat, Ethiopian Birr - it's all inside now). Enjoy :)
- 10 Jan: (0.17 release)
- Added number formatting: now 1000 would look 1,000 (I'll let to choose the separators for different cultures in the future versions...)
- Now you can do currency conversion! And also hopefully update the rates when you're connected. Please note that the rates on server will change once a day (so no need to synchronize every 5min...). Please let me know how this feature works for you (or probably it doesn't?)
- Few additions to units (driven by users requests)
- Fixed K->F conversion
- 07 Jan: (0.16 release)
- Thanks to Predator (cdonadei at hotmail.com) Converter.app has a new icon!
- Fixed the "Back" button issue.
- Added switch button: so you can easily switch between From and To units (I got a lot of requests for this feature).
- Added Kitchen measures category.
- 06 Jan: (0.15 release)
- Added US units for Volume (gallon, pint, etc.)
- Added new measures: Time and Flow(Volume)
- Added "Back" button, so it is possible to go back from Measure/To/From screen without selecting anything.
- 05 Jan: (0.14 release)
- Fixed Celsius<->Kelvin, kg<->pound conversions
- Moved Accuracy slider under the actual numbers (I thought it is a better place...)
- Now when you change a measurement, the application will automatically bring you From and To screens (to save redundant clicks)
- Added a few units to existing measures, and two new measurements: Power and Torque
- 04 Jan: (0.13 release) Added support for accuracy (precision). Added additional measurement: 'Pressure'.
- 03 Jan: (0.12 release) Added support for storing the last conversion: after application restart you'd automatically get the latest conversion you have previously used. Currently the application remembers the latest Measurement and Units (should it also remember the actual conversion values? As for now it always starts from zero).
- 02 Jan: (0.11 release) Support for negative numbers input (like in temperature), support for epsilon values (the precision is still hardcoded...)
- 31 Dec: (0.10 release) Whew, I've just released the first version of the Converter.