🥧 带分数计算器Mixed Number Calculator
带分数、分数和小数的加减乘除（如 1 1/2 + 2 3/4），结果给出带分数、假分数和小数，精确无误差。Add, subtract, multiply and divide mixed numbers, fractions and decimals (e.g. 1 1/2 + 2 3/4); exact results as a mixed number, improper fraction and decimal.
使用说明与常见问题How-to & FAQ
「带分数计算器」是什么？What is the Mixed Number Calculator tool?
带分数、分数和小数的加减乘除（如 1 1/2 + 2 3/4），结果给出带分数、假分数和小数，精确无误差。Add, subtract, multiply and divide mixed numbers, fractions and decimals (e.g. 1 1/2 + 2 3/4); exact results as a mixed number, improper fraction and decimal.
如何使用「带分数计算器」？How do I use the Mixed Number Calculator tool?
在「带分数计算器」中，填写「第一个数」、「运算」、「第二个数」等参数，结果会随输入实时计算并显示在下方。In the Mixed Number Calculator: Fill in "First number", "Operation", "Second number"; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「带分数计算器」使用 JavaScript 双精度浮点数（约 15–16 位有效数字），部分功能使用 BigInt 处理大整数。The Mixed Number Calculator uses double-precision floating point (about 15–16 significant digits); some features use BigInt for large integers.
「带分数计算器」免费吗？需要注册吗？Is the Mixed Number Calculator free? Do I need an account?
「带分数计算器」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 Mixed Number 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.