Calculator+- app for iPhone and iPad

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UPDATE COMING SOON!! - Buy now while its still cheap!!!
Includes:
- User Interface Make Over (added HD Versions)
- Better Fonts
- Brighter and More Simplistic
- Touchable Cursor Positioning
- Better Notebook Style Equation Display
New Features:
- Graphing
- Symbolic Differentiation and Integration
- New Gestural Style Input Mode
- Statistics Mode

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Calculator+- The most versatile calculator app perfect for Basic use and Professional use with three separate Calculator modes;
•Basic - Portrait
•Scientific - Landscape
•Programmer
Excellent User Interface allows for quick and easy input with a natural mathematical display and comprehensive built in help documentation.

Features
Natural Mathematical Display
Simple editing with backspace
Easy switch between Basic and Scientific without clearing screen
Dot or Comma Decimal point
Fraction and mixed fraction input
Fractions, surds, mixed fractions, pi multiples and scientific notation
Previous Functions are stored
9 User assigned Variables (6 in iPhone) with drag-and-drop to assign
40 Scientific Constants
38 Unit Conversions
24 Trigonometric functions inc. hyperbolic
Powers and Root
Sigma - Sum
Numeric Differential and Integrals
Handles angles in Degrees, Radians or Gradians
Logarithms
Calc - Equation execution with different variables
Adjustable fixed decimal places
Stores settings and variables when app closes

Programmer converts between:
Decimal
Binary
Hexadecimal
Octal
7 Bitwise operators for base-n calculations