计算器，一个很简单的计算器，可以实现加减乘除的功能，但是很简单，没有使用性，-Calculator, a simple calculator, you can achieve the function of addition, subtraction, but very simple, do not use resistance.

这是一个php版的简单计算器，功能不是太多，加、减、乘、除、求余。。通过ie9和firefox、谷歌测试。 -This is a simple version of php calculator function is not too much to add, subtract, multiply, divide, remainder. . By ie9 and firefox, Google test.

地板砖费用计算器是一个简单的便民工具，用多少地板砖输入面积即可以知道费用。-Floor tiles cost calculator is a simple tool for convenience, the number of tiles which can enter the area with a known cost.

这是一个php版的简单计算器，就一个文件，打开就行，没什么好介绍的。功能不是太多，加、减、乘、除、求余。（其他功能有待下一版本改进吧）。通过ie7和firefox测试。-This is a php version of the simple calculator, on a file, open on the line, nothing to introduce. Function is not too much, plus, minus, multiply, divide, and more