Mathematics
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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
2809.45/8.41+68.51×6/(2.9×3.9×3.9)=
276.73+35.2×6/(2.9×3.9×3.9)=
(20×1.475×8.41+2079.24)/8.41=
sin(20)
{3+4,5+3}
2sin3.14-3*3.14
C(10^15,10^4)
sin(3.14*0.43)
sin(3.14*0.21)
sin(3.14*0.52)
608/128
256/128
e^(-19.39)
(4*e^(-0.1*0.25))+(4*e^(-0.105*0.75))+(104*e^(-0.11*1.25))=
4*e
√973459/√1998
90+arctan(0.36*4.4)-arctan(4.4)-arctan(0.12*4.4)
90+arctan(15.15*0.57)-arctan(0.57)-arctan(0.25*0.57)-arctan(114.78*0.57)
90+arctan(15.15*0.57)-arctan(0.57)arctan(0.25*0.57)-arctan(114.78*0.57)
lg999
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