✖ 二进制乘法计算器Binary Multiplication Calculator

使用说明与常见问题How-to & FAQ

「二进制乘法计算器」是什么？What is the Binary Multiplication Calculator tool?

两个非负二进制整数相乘，给出二进制积与十进制。可带 0b 前缀。本地处理。可设置「因数 A」、「因数 B」。Multiply two non-negative binary integers; show binary product and decimal. Optional 0b prefix. Processed locally. Settings: Factor A, Factor B.

如何使用「二进制乘法计算器」？How do I use the Binary Multiplication Calculator tool?

在「二进制乘法计算器」中，填写「因数 A」、「因数 B」等参数，结果会随输入实时计算并显示在下方。In the Binary Multiplication Calculator: Fill in "Factor A", "Factor B"; results are recalculated instantly as you type.

会显示竖式过程吗？Does it show the working?

本页只给出两个非负二进制整数的乘积。要看逐行的竖式乘法过程（每位相乘再移位相加），请用专门的二进制乘法步骤工具。This page only gives the product of two non-negative binary integers. For the row-by-row long multiplication (shift and add), use the dedicated binary multiplication tool.

能举个计算实例吗？Can you show a worked example?

例如在「二进制乘法计算器」中填 因数 A = 101，因数 B = 11，结果区显示：积（二进制）：1111；十进制：15For example, entering Factor A = 101, Factor B = 11 in the Binary Multiplication Calculator gives: Product (binary): 1111; Decimal: 15

有哪些选项可以调整？What options can I adjust?

「二进制乘法计算器」的设置：「因数 A」默认 101；「因数 B」默认 11。每次生成结果都按当前设置处理。Settings in the Binary Multiplication Calculator — "Factor A" default 101; "Factor B" default 11. The result always uses the current settings.

计算精度如何？How precise are the results?

「二进制乘法计算器」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 Binary Multiplication Calculator uses double-precision floating point (about 15–16 significant digits); some features use BigInt for large integers.

「二进制乘法计算器」免费吗？需要注册吗？Is the Binary Multiplication Calculator free? Do I need an account?

「二进制乘法计算器」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 Binary Multiplication 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.