Description: Simply, it is a calculator, the program is implemented in the console, as well as addition, subtraction calculator realize there are circumstances in parentheses computing.
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File list (Check if you may need any files):
JiSuanQi\.classpath
........\bin\jiajian\JiaJian.class
........\...\.......\SiZeYunSuan.class
........\...\..suanqi\JiSuanQi.class
........\.settings\org.eclipse.jdt.core.prefs
........\src\jiajian\JiaJian.java
........\...\.......\SiZeYunSuan.java
........\...\..suanqi\JiSuanQi.java
........\.project
........\bin\jiajian
........\...\jisuanqi
........\src\jiajian
........\...\jisuanqi
........\bin
........\.settings
........\src
JiSuanQi