[Android – Java] The pocket calculator on Android – Calculator Program on Android

Update: Refer to the program in java desktop upgrade
Computers can perform simple calculations +,-,*,/, factorial, hat, square root 2, inverse and 3 trigonometric calculations : Run Out, With, So.
Project builds on expression values ​​calculated based on the expression suffix.
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calculator

calculator

calculator

calculator

Due to the uncertainty of the data types should be allowed to fine the irrational can be a very very small deviation of the decimal.