HusseinChen / simpleCalculator

A simple Calculator based on RPN

simpleCalculator

A simple Calculator based on RPN

基于RPN的命令行计算器

操作符

1.undo 回退
2.clear 清空
3.sqrt 开方

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Example 1
expression: 5 2
stack: 5 2

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Example 2
expression: 2 sqrt
stack: 1.4142135623
expression: clear 9 sqrt
stack: 3

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Example 3
expression: 5 2 -
stack: 3
expression: 3 -
stack: 0
expression: clear
stack:

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Example 4
expression: 5 4 3 2
stack: 5 4 3 2
expression: undo undo *
stack: 20
expression: 5 *
stack: 100
expression: undo
stack: 20 5