RPN Calculator: A command-line RPN calculator

Exact the zip file, and then use mvn install eclipse:eclipse to import the project into eclipse.

mvn test

run the test cases.

mvn clean package

package and install the execution jar file. The jar file was package base on spring boot.

Use java -jar calculator-1.0.0 can start and running the projects.

Undefined Operator Behavior

clear

The clear operator will clear number stack and operator history, and then start a new calculation.

divide zero

Will return infinite.

1.0 0 / Infinity

sqrt negative number

Will return NaN

-1.0 sqrt NaN

Factorial

When number is negative or not integer, will return NaN, when out of the double, it will return Infinite.

-1 ! NaN

10.2 ! NaN

1000 ! Infinity