🔢 矩阵计算器Matrix Calculator
计算方阵的行列式、逆矩阵、转置和秩（最大 6×6）。Compute determinant, inverse, transpose and rank of a square matrix (up to 6×6).
使用说明与常见问题How-to & FAQ
「矩阵计算器」是什么？What is the Matrix Calculator?
计算方阵的行列式、逆矩阵、转置和秩（最大 6×6）。Compute determinant, inverse, transpose and rank of a square matrix (up to 6×6).
如何使用「矩阵计算器」？How do I use the Matrix Calculator?
在「矩阵计算器」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 Matrix Calculator: Fill in the fields above; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「矩阵计算器」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 Matrix Calculator uses double-precision floating point (about 15–16 significant digits); very large or very small values may lose precision.
「矩阵计算器」免费吗？需要注册吗？Is the Matrix Calculator free? Do I need an account?
「矩阵计算器」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 Matrix 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.