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Twin Key Calculator

By Yamato software

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There are two ten-keys in a calculator. It is convenient. In case of 2 numbers of calculation, you can decrease 1step. It's 3steps calculation.

-Enter left value with left key(s) and enter right value with rigtht key(s). Then push a operator key.
-Each ANS key can copy answer value to fomula.
-Round off slider doesn't need recalculation to show ronded value.
-After calculation you don't need to use "C" or "AllClear" for next calculation.

It is convinient in the following calculation repeatedly.
-Rate calculation
-Unit conversion
-Tax or tip calculation
-Batting average


What's New in Version 1.1

To work for iPhone.


iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPad Screenshot 1
iPad Screenshot 2
iPad Screenshot 3
Twin Key Calculator
View In iTunes
This app is designed for both iPhone and iPad
  • 0,99 €
  • Category: Utilities
  • Updated:
  • Version: 1.1
  • Size: 0.3 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.

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