Changelog

Version 2.5
- Universal app for iPad, iPhone and iPod touch
- iOS4 multitasking
- High resolution retina display supported
- Added more functions: arcsin, arccos, arctan
- Multitouch scrolling
- Recall equations from history
- Email equations directly from the app

Version 2.0
- Additional functions : sin , con , tan , log , ln
- More mathematical constants : pi and e
- One touch copying equations to clipboard
- Memorize lastest answer for using in the following caculation
- Extend vertical space
- Crystal style interface

Version 1.01
- Clear screen by shaking a iPhone
- More various style in writing number 0,6,9
- Improve handwriting recognition accuracy