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
2-½
2½
33^6
5760-240*21
90-arctan3.87
90-arctan3.16
e^(-3.14*0.46/sqrt(1-0.46^2))
e^lg2
800/50.24
16*3.14
2.35%×78.11+(1-2.35%)×92.13
98.30%×78.11+(1-98.30%)×92.13=
98.30%×78.11+(1-98.30%)×92.13
59.04%×78.11+(1-59.04%)×92.13
(0.02/78.11)/(0.02/78.11+0.98/92.13)
(0.98/78.11)/(0.98/78.11+0.02/92.13)
(0.55/78.11)/(0.55/78.11+0.45/92.13)
arctan(-π/4)
(1.2×1.5)/0.85×21.09
(1.2×1.5)/0.85×53.42
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