เครื่องคิดเลข 2 หน้า

applications for calculations which can be calculated in many ways set and have various functions that helps in calculating functions
- The record has a window value list item displayed.
- Calculate with 2 pages
-Expand the calculated value
- Able to slide to select values ​​without clicking.
- voice reading
- adjust speed
- can choose to read results only
-other
which various functions These will help users calculate more conveniently.