Backport of the calculator shipped in Android M Developer Preview
A backport of the recent redesign of the default calculator app shipped with Android Lollipop. Most of the material design goodness has been ported to work on all versions of the platform back to Android 2.1 (API Level 7). The source code was forked from the AOSP platform package.
Features:
• Requires no permissions
• The calculator supports all the basic functions (+, -, * and /)
• Advanced functions like trigonometry and logarithms can be exposed by pulling out the panel on the right
• Fully material designed as shipped with Android 5.0 Lollipop