Uno Calculator

Powerful, scientific calculator with History and a powerhouse of practical math functions:

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

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