科学计算器
免费的在线科学计算器，支持 sin、cos、log、乘方、开方和括号。
在您的浏览器中运行。您的文件不会离开设备。 了解如何验证
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使用方法
- 1选择设置
填写信息或选择您需要的选项。
- 2查看结果
更改任何内容时，预览会立即更新。
- 3下载或保存
将结果保存到您的设备。不会向服务器发送或保存任何内容。
About this tool
Use a full scientific calculator in your browser. Type an expression such as 2*(3+4)^2, or use the buttons for sin, cos, tan, log, ln, square root, powers, factorials and brackets. Switch between degrees and radians. Your recent answers are listed so you can reuse them. Nothing is sent anywhere.
When to use it
Use a full scientific calculator for school and college work: trigonometry, logarithms, powers, roots and constants.
Tips
Check whether you are in degrees or radians before using sin, cos and tan. Use brackets to control the order of operations.
Privacy
Everything runs in your browser, so your data is not uploaded or stored.
获得最佳结果的提示
开始之前请花一点时间阅读选项，并先用一个小例子试用工具。一切都在您设备的浏览器中运行；您输入或添加的任何内容都不会被上传，关闭标签页会清除所有内容。如果看起来不对，请刷新页面重试，或使用本页的报告链接告诉我们出了什么问题。如果结果仍然看起来不对，请每次只更改一个值，看看哪个输入影响最大。如果您还会再用，请收藏此页。
要点
- 分类: 日常工具
- 在浏览器中运行，无需注册，无需上传。
- 您输入的信息保留在设备上。
- 提供多种语言。
- 内容最后审核日期:
常见问题
Can I type with my keyboard?
Yes. Type the expression in the box and press Enter to keep the answer.
How do I use degrees or radians?
Choose Degrees or Radians under the buttons before you use sin, cos or tan.
Does it support degrees and radians?
Yes. Switch the mode before calculating.
Can I use the keyboard?
Yes, type numbers and operators directly.