Uno Calculator for Android
Mathematics
Regular operations with precedence (+, -, *, /)
Parenthesis
Base trigonometric functions and their inverses (sin, cos, tan, asin, acos, atan)
Pi and Natural logarithm (E) constants
Powers
Square root
Percentage
Decimal values
Integer factorial
Absolute value
Logarithm and natural logarithm
Rounding (up to 14 digit rounding, floor, ceil, and closest integer)
Calculator
Clear and delete functions
+/- for results
History with timestamps, clear, and delete
Radians and degrees
TextView to see expressions calculated
Standard and Advanced modes
This is a very useful app with excellent user interface.
by A####:
Simple yet has some very neat features. Keep it up!