B-CAL+ app for iPhone and iPad

The ultimate all-in-one. Engineer calculator. B-CALC is to integrate all of the calculator.
In addition to the engineer, You can use it as a tool to manipulate the numbers.
Get First of all, please try it.

Key Features
Common
- Native supported Retina Display.
- Suppression of the background action. (to quit completely when switching applications)
- Back to the previous result 1 UNDO / REDO feature.
- Specify the location of the break. (can be set individually at integer and fractional parts)
- Auto-save on exit app.
- value sharing between calculator.

Engineer calculator (Landscape)
- Arithmetic.
- Logical operation. (AND / NOT / OR / NOR / NOT)
- Shift operation. (N-bit shift, shift 1 bit)
- Flip operation. (bit, byte, word)
- Display of all binary/decimal/hexadecimal value.
- Direct input mode with a number of binary bit positions.
- The setting of the effective bit-width is supported.

Standard calculator (portrait)
- Arithmetic
- Calculate the percentage
- Support memorized value.
- Support calculation macro.
- Show input value and operation history.