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-atan(0.2×0.12)atan(0.02×0.2)
0¼/0¾
6.3*1.5+1.33*0.75
6.3*1.5+1 1/3*0.75
-90-arctan0.12×7.073-arctan0.02×7.073-arctan(1/0.205)7.073-arctan(1/23.894)7.073+arctan(1/1.3)7.073+arctan(1/7.073)7.073=
-90-arctan0.12×300-arctan0.02×300-arctan(1/0.205)300-arctan(1/23.894)300+arctan(1/1.3)300+arctan(1/7.073)300=
-90-arctan0.1×300-arctan0.01×300-arctan(1/0.375)300-arctan(1/84.85)300+arctan(1/3)300+arctan(1/10.61)300=
-90-arctan0.1×200-arctan0.01×200-arctan(1/0.375)200-arctan(1/84.85)200+arctan(1/3)200+arctan(1/10.61)200=
-90-arctan0.1×100-arctan0.01×100-arctan(1/0.375)100-arctan(1/84.85)100+arctan(1/3)100+arctan(1/10.61)100=
-90-arctan0.1×90-arctan0.01×90-arctan(1/0.375)90-arctan(1/84.85)90+arctan(1/3)90+arctan(1/10.61)90=
-90-arctan0.1×84.85-arctan0.01×84.85-arctan(1/0.375)84.85-arctan(1/84.85)84.85+arctan(1/3)84.85+arctan(1/10.61)84.85=
-90-arctan0.1×70-arctan0.01×70-arctan(1/0.375)70-arctan(1/84.85)70+arctan(1/3)70+arctan(1/10.61)70=
-90-arctan0.1×60-arctan0.01×60-arctan(1/0.375)60-arctan(1/84.85)60+arctan(1/3)60+arctan(1/10.61)60=
-90-arctan0.1×50-arctan0.01×50-arctan(1/0.375)50-arctan(1/84.85)50+arctan(1/3)50+arctan(1/10.61)50=
-90-arctan0.1×40-arctan0.01×40-arctan(1/0.375)40-arctan(1/84.85)40+arctan(1/3)40+arctan(1/10.61)40=
-90-arctan0.1×30-arctan0.01×30-arctan(1/0.375)30-arctan(1/84.85)30+arctan(1/3)30+arctan(1/10.61)30=
-90-arctan0.1×20-arctan0.01×20-arctan(1/0.375)20-arctan(1/84.85)20+arctan(1/3)20+arctan(1/10.61)20=
-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)10-arctan(1/84.85)10+arctan(1/3)10+arctan(1/10.61)10=
-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)18-arctan(1/84.85)10+arctan(1/3)10+arctan(1/10.61)10=
-90-arctan0.1×7-arctan0.01×7-arctan(1/0.375)7-arctan(1/84.85)7+arctan(1/3)7+arctan(1/10.61)7=
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