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
arctan 4
arctan 4
6×(-4)-(-4)×6
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
(0.3*(0.3-0.145)*(0.3-0.145)+0.4*(0.1-0.145)*(0.1-0.145)+0.3*(0.05-0.145)*(0.05-0.145),1/2)
4+8
4+8
4+8
sinπ/2
(1264.06+25.28+27.74)×5%
(1264.06+25.28)[(1+0.0435)^0.5-1]
1264.06×0.02
(2524.64+80.00+78.14+113.22)×0.1
2524.64×[(1+0.0435)^1-1]+(80.00+78.14)×[(1+0.0435)^0.5-1]
(2524.64+80)×0.03
2451.11 +2451.11 ×0.03
(0.01+0.0002)×10%
(2151.5+43.03+49.20)×10%
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