Calculus Plus - Christmas Calculator app for iPhone and iPad

Get this beautiful calculator, with Christmas Themes!

Calculus Plus - Christmas Calculator is the most beautiful scientific calculator created so far. It has a unique, minimalist, beautiful and easy usable interface, thanks to the 25 high resolution, Retina backgrounds.
It also has a lot of useful functions, like memory, sin, cos, Rad-Deg conversions, pi, euler, radical and many others.

What do you get, by purchasing this app?
•The most beautiful scientific calculator created!
•Easy to use!
•25 High resolution, Retina backgrounds, Christmas style!
•25 operations!

Opertaions:
• Basic operations: +, -, ×, /
• Powers, Roots, Exponentials: x², √, ^
• Misc. Operations: %, x!, 1/x, ±
• Trigonometry: cos, sin, tan, cot
• Logarithms: ln, log
• Constants: π, e
• Memories: M+, M-, MR, MC
• Conversions: Rad -> Deg, Deg -> Rad

Supported devices:
-iPhone 4s
-iPhone 5/5s
-iPhone 6
-iPhone 6 Plus
-iPod Touch