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
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==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
3/ln2500
1-[0+(2/23) ²+0+0+0+0+(7/23) ²+(9/23) ²+(2/23) ²+(3/23)²]
1-[(12/27) ²+(9/27) ²+0+0+(6/27) ²+0+0+0+0+0]
1-[(15/23) ²+(6/23) ²+(1/23) ²+(1/23) ²+0+0+0+0+0+0]
[0+2/23*ln(2/23)+0+0+0+0+7/23*ln(7/23)+9/23*ln(9/23)+2/23*ln(2/23)+3/23*ln(3/23)]
-[12/27*ln(12/27)+9/27*ln(9/27)+0+0+6/27*ln(6/27)+0+0+0+0+0]
-[15/23*ln(15/23)+6/23*ln(6/23)+1/23*ln(1/23)+1/23*ln(1/23)+0+0+0+0+0+0]
4/ln2500
5/ln2500=
5/ln0.25=
1-[(10/16) ²+0+(2/16) ²+(3/16) ²+(1/16) ²+0+0]=
1-[(8/18) ²+0+(3/18) ²+(1/18) ²+(2/18) ²+(4/18) ²]
-90-arctan(0.12×34.6)-arctan(0.02×34.6)-arctan(34.6/0.205)-arctan(34.6/23.894)+arctan(34.6/1.3)+arctan(34.6/7.073)
tan(arccos0.896)-tan(arccos0.92)
648×1.0688×(1+0.00523)×1.312×0.8636+5
90-arctan0.025-arctan0.00835
sin30
cos60
-90-arctan10-arctan3.3333
-90-arctan7.5-arctan2.5
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