计算器
支持键盘和历史记录的标准及科学计算器。
历史
你的计算结果会显示在这里。
完全在你的浏览器中运行，你输入的任何内容都不会上传。
A calculator for everyday and scientific maths
Add up bills, work out discounts with %, or use powers, roots, logarithms and trigonometry. Click a past result in the history to use it again.
常见问题
Can I type instead of clicking?
Yes. Type straight into the display: numbers, + - * / ^ ( ) ! %, and functions like sin(30) or sqrt(2). Press Enter for the result and Escape to clear.
Degrees or radians?
Trigonometry uses degrees by default. Switch to radians with the DEG/RAD button.