🎯 百分比误差计算器Percent Error Calculator
计算测量值与真实值之间的绝对误差、相对误差和百分比误差。Absolute, relative and percent error between a measured and a true value.
使用说明与常见问题How-to & FAQ
「百分比误差计算器」是什么？What is the Percent Error Calculator?
计算测量值与真实值之间的绝对误差、相对误差和百分比误差。Absolute, relative and percent error between a measured and a true value.
如何使用「百分比误差计算器」？How do I use the Percent Error Calculator?
在「百分比误差计算器」中，填写「测量值」、「真实值」等参数，结果会随输入实时计算并显示在下方。In the Percent Error Calculator: Fill in "Measured value", "True value"; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「百分比误差计算器」使用 JavaScript 双精度浮点数（约 15–16 位有效数字）；极大或极小的数值可能存在精度误差。The Percent Error Calculator uses double-precision floating point (about 15–16 significant digits); very large or very small values may lose precision.
「百分比误差计算器」免费吗？需要注册吗？Is the Percent Error Calculator free? Do I need an account?
「百分比误差计算器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Percent Error Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.