📝 分数百分比计算器Marks Percentage Calculator

使用说明与常见问题How-to & FAQ

「分数百分比计算器」是什么？What is the Marks Percentage Calculator tool?

得分 ÷ 满分 × 100%；也可一次输入多门科目（每行“科目 得分/满分”），得出总百分比。本地处理。Score ÷ max marks × 100%; or enter several subjects (one per line, "subject score/max") for the overall percentage. Processed locally.

如何使用「分数百分比计算器」？How do I use the Marks Percentage Calculator tool?

在「分数百分比计算器」中，填写「方式」、「得分」、「满分」等参数，结果会随输入实时计算并显示在下方。In the Marks Percentage Calculator: Fill in "Mode", "Score", "Max marks"; results are recalculated instantly as you type.

多门科目的总百分比怎么算？How is the overall percentage for several subjects worked out?

总百分比 = 所有科目得分之和 ÷ 所有科目满分之和 × 100%，满分高的科目权重更大。例如 85/100、42/50、70/80：197 ÷ 230 = 85.65%。本页同时给出各科百分比的简单平均值（每科权重相同）。Overall percentage = sum of all scores ÷ sum of all max marks × 100%, so subjects with more marks count for more. For 85/100, 42/50 and 70/80: 197 ÷ 230 = 85.65%. The page also shows the simple average of the subject percentages (each subject weighted equally).

多科怎么输入？How do I enter several subjects?

选择“多门科目”，每行写一门：科目名、空格、得分/满分，例如 Math 85/100；也可以用分号分隔。科目名可省略。Choose Several subjects and write one per line: subject name, a space, then score/max, e.g. Math 85/100; semicolons also separate subjects. The name is optional.

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

例如在「分数百分比计算器」中填 方式 = 单科，得分 = 45，满分 = 50，结果区显示：百分比：90%；得分：45；满分：50For example, entering Mode = One subject, Score = 45, Max marks = 50 in the Marks Percentage Calculator gives: Percentage: 90%; Score: 45; Max marks: 50

哪些输入会被检查？Which inputs are validated?

「分数百分比计算器」会检查这些输入——「得分」、「满分」：必须填写；绝对值超过 10¹⁵ 的数也会被拒绝。不符合时结果区显示具体提示，不会给出数字。The Marks Percentage Calculator checks its inputs — "Score", "Max marks": required; numbers above 10¹⁵ in absolute value are rejected too. When a value fails, the result area names the problem instead of showing a number.

有哪些选项可以调整？What options can I adjust?

「分数百分比计算器」的设置：「方式」可选 单科、多门科目（默认 单科）；「得分」默认 85；「满分」默认 100。每次生成结果都按当前设置处理。Settings in the Marks Percentage Calculator — "Mode": One subject, Several subjects (default One subject); "Score" default 85; "Max marks" default 100. The result always uses the current settings.

计算精度如何？How precise are the results?

「分数百分比计算器」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 Marks Percentage Calculator uses double-precision floating point (about 15–16 significant digits); very large or very small values may lose precision.

「分数百分比计算器」免费吗？需要注册吗？Is the Marks Percentage Calculator free? Do I need an account?

「分数百分比计算器」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 Marks Percentage 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.