Description: This a php version of a simple calculator function is not too much, add, subtract, multiply, divide, remainder. . By ie9 and firefox, Google tested. simple calculator php version 2.1 update: over 2.0, modify the input " 0" prompt empty error as a simple calculator, looks like. . . Only be the case. . . So I came up with other tricks to upgrade and then followed it, if so what bug, please come oh
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calculate2.1
............\cal.js
............\config.php
............\img
............\...\button.gif
............\index.php
............\style.css
............\源码之家说明.txt
............\说明文档.txt
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