⚖️ 加权平均数计算器Weighted Average Calculator
输入数值和权重，计算加权平均数，可用于计算学分绩点和综合评分。Calculate a weighted average from values and weights (grades, scores, portfolios).
使用说明与常见问题How-to & FAQ
「加权平均数计算器」是什么？What is the Weighted Average Calculator?
输入数值和权重，计算加权平均数，可用于计算学分绩点和综合评分。Calculate a weighted average from values and weights (grades, scores, portfolios).
如何使用「加权平均数计算器」？How do I use the Weighted Average Calculator?
在「加权平均数计算器」中，填写上方字段等参数，结果会随输入实时计算并显示在下方。In the Weighted Average Calculator: Fill in the fields above; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「加权平均数计算器」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 Weighted Average Calculator uses double-precision floating point (about 15–16 significant digits); very large or very small values may lose precision.
「加权平均数计算器」免费吗？需要注册吗？Is the Weighted Average Calculator free? Do I need an account?
「加权平均数计算器」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 Weighted Average 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.