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
tan√6/2
secarctan√6/2
1×19.1×1300×74.30×(1120-74.30/2)+300×9236×(1120-80)
1×19.1×1300×0×(1120-74.30/2)+300×9236×(1120-80)
(300×15386-300×9236)/(1×19.1×1300)
lg0.31
lg3.22
lg3
㏑5
10×(1-8.22%-0)×12
1042.43×[1-1/(1+8.0%)^56.70]
119025/345
(20-2*2)*2
90%*(25*2+20*2)
1-2
ln20
4000/3000-1
arctan-0.54
1042.43×[1-1/(1+8.0%)^33.94]
(210.00+240.00+31.82+135.00+185.05)×(1+30%)
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