FREE Calculator app for iOS

Hey there! iTunes is giving away a free Calculator app for iOS. Few of its' unique features are Universal Calculator App, Mathematical display, High resolution GUI for Ipod/Iphone 4, Export expressions to pictures, Support Result Drag/Drop, Expression Undo/Redo, Copy and Paste (Result, Basic Operator, Number), Basic calculations, Advanced functions (Sin, Cos, Tan, ArcSin, ArcCos, Log), 14 Memory Variables, Assignment Operator for Number Sequence Calculation, Graphing/Plots Equations, Point/Intersections Snapping, Base Calculation (Programming Mode), Unit Conversion & Constants Table (200+ Units & 18 common Constants), Fraction and Degree/Angle calculation, Numeric Integral calculation, Equation Solver (Quadratic, cubic and general equations), Simultaneous Linear Equations Solver, Statistical Calculations and more.