Mathematics
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中文
Language:English
==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
sin30+cos60
624-575
atan0.07
tan4.04
tan0.070
(5^4+64)(13^4+64)(21^4+64)(29^4+64)/(1^4+64)(9^4+64)(17^4+64)(25^4+64)
[(5^4+64)(13^4+64)(21^4+64)(29^4+64)]/[(1^4+64)(9^4+64)(17^4+64)(25^4+64)]
(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
-(9/14)*(log(2,9/14))-(5/14)*(log(2,5/14))
-(9/14)*(lg(9/14))-(5/14)*(lg(5/14))
-(9/14)*(lg(9/14))-(5/14)*(lg(5/14))
lg10
-90-arctan(0.1*100)-arctan(0.01*100)-arctan(100/0.375)-arctan(100/84.85)+arctan(100/3)+arctan(100/10.61)
-90-arctan(0.1*300)-arctan(0.01*300)-arctan(300/0.375)-arctan(300/84.85)+arctan(300/3)+arctan(300/10.61)
-90-arctan(0.1*90)-arctan(0.01*90)-arctan(90/0.375)-arctan(90/84.85)+arctan(90/3)+arctan(90/10.61)
-90-arctan(0.1*80)-arctan(0.01*80)-arctan(80/0.375)-arctan(80/84.85)+arctan(80/3)+arctan(80/10.61)
-90-arctan(0.1*70)-arctan(0.01*70)-arctan(70/0.375)-arctan(70/84.85)+arctan(70/3)+arctan(70/10.61)
-90-arctan(0.1*60)-arctan(0.01*60)-arctan(60/0.375)-arctan(60/84.85)+arctan(60/3)+arctan(60/10.61)
-90-arctan(0.1*50)-arctan(0.01*50)-arctan(50/0.375)-arctan(50/84.85)+arctan(50/3)+arctan(50/10.61)
-90-arctan(0.1*40)-arctan(0.01*40)-arctan(40/0.375)-arctan(40/84.85)+arctan(40/3)+arctan(40/10.61)
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