Mathematics
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==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
(0.8/60)^1/3
sqrt(0.8/60)
arctan(0.035*7.5)
arctan(1*7.5)
arctan(0.50*7.5)
arctan(0.51*7.5)
20lg80=
1/[7.5*[14.32^0.5]]
20*lg{15/[7.5*[(1+7.5^2)]^0.5]}
20*lg{10/[7.5*[(1+7.5^2)]^0.5]}
20*lg{10/[4.4*[(1+4.4^2)]^0.5]}
20*lg{15/7.5*[(1+7.5^2)]^0.5}
20*lg{10/4.4*[(1+4.4^2)]^0.5}
20*lg{1/4.4*[(1+4.4^2)]^0.5}
1/4.4*[(1+4.4^2)]^0.5
arctan0.33333=
arctan1/3=
180(15+60)(0.65)
200(40十15)(0.65)
200(40)(0.65)
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