Mathematics
语言:
中文
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
20*lg√(100×((22.41*3.115156)^2+1)÷3.115156^2÷(0.04*3.115156^2+1)÷(0.25*3.115156^2+1)÷((422.86*3.115156)^2+1))
arctan(22.41*0.51)-90-arctan(0.2*0.51)-arctan(0.5*0.51)-arctan(422.86*0.51)
-90+arctan(0.78*172.39*0.085)-arctan(0.2*0.78)-arctan(0.5*0.78)-arctan(0.78*172.39)
-90+arctan(0.78*14.65)-arctan(0.2*0.78)-arctan(0.5*0.78)-arctan(0.78*172.39)
-90+arctan(0.78*14.65)-arctan(0.5*0.78)-arctan(0.5*0.78)-arctan(0.78*172.39)
√(100×(1+(14.65×0.78)^2)÷0.78^2÷(0.04*0.78^2+1)÷(0.25*0.78^2+1)÷((172.39*0.78)^2+1))
-90-arctan(0.2*3.76)-arctan(0.5*3.76)
-90-arctan(0.1*3.76)-arctan(0.2*3.76)-arctan(0.5*3.76)
-90-arctan(0.1*44.16)
arctan(4.39÷3*8.085475)-90-arctan(8.085475)-arctan(0.01*8.085475)-arctan(1/3*8.085475)
-90-arctan(2)-arctan(0.01*2)
-90-arctan(3.936)-arctan(0.01*3.936)
-π÷2-arctan(3.936)-arctan(0.01*3.936)
√(16^2÷10^2÷(10^2+1)÷((0.01^2)*10^2+1))
√(1600÷80÷(0.04*80+1)÷((0.0625^2)*80+1))
√(1600÷80÷(0.04*80+1)÷(0.0625^2*80+1))
1600÷80÷(0.04*80+1)÷(0.0625^2*80+1)
-90-arctan(0.2*12.137877)-arctan(0.0625*12.137877)
π÷2-arctan(0.2*12.137877)-arctan(0.0625*12.137877)
[2046×(1+0.0518)×1.0854×1.3612+0]×0.9971
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