WebA beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.
WebGeoGebra Scientific Calculator is a free online tool that lets you perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more. You can also explore interactive activities and simulations related to various topics in mathematics and science.
WebD (DEG) R (RAD) G (GRAD) 分别表示角度系统、弧度系统和度数系统。. sin cos tan 是三角函数,sin-1 cos-1 tan-1 对应反三角函数函数,相当于arcsin,arccos,arctan.ln是自然对数ln a=loge a,log是对数函数。. MC:清除存储的数据,MR:读取内存中的值并显示,M -:存储值减去当前显示 ...