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
-90-arctan(7.5)-arctan(0.035*7.5)+arctan(0.5*7.5)
1/(7.5*sqrt(14.3))
{15+18.6*(7.5)}×0.63-2×11.8×√0.63
{15+18.6*(1.3)}×0.63-2×11.8×√0.63
1.1×(2.9+4.54)
√((6×94.05)/(18.6×(1.32×1.59-0.63)))
(294.8×2.013)/((4.0+2.31))
1.1×(0.675+4.03)
√((6×74.03)/(18.6×(1.32×1.59-0.63)))
(137.67×2.245)/((3.5+0.675))
1.1×(1.1+3.92)
√((6×69.9)/(18.6×(1.32×1.59-0.63)))
(130.5×2.464)/((3.5+1.1))
√((6×44.95)/(18.6×(1.32×1.59-0.63)))
(68.64×2.58)/((3.5+0.44))
1133.52×[1-1/(1+8.0%)^58.56]
(1465.8×9.726)/(1325.75×7.995)
115.6/4
(1465.8×9.726)/(1325.75×7.995)
(18.6×9.0×3.29+11.8×3.88)/(18.6×(9+5.5)+40)
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