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
12.5×8.88 12.2÷4+7.8÷4
12.2÷4+7.8÷4
39÷(1.3×5)-4.84
0.7×75.7-0.7+0.7×25.3
3.75÷[0.3×1(1.34-0.84)]
62.9+18.2÷(2.3-1.6)
10×5-5
tan30
tan30
tan30
(-27/8)^(-2/3)+(0.002)^(-1/2)-10((5)^(1/2)-2)^-1+1
(-27/8)^(-2/3)+(0.002)^(-1/2)-10((5)^(1/2)-2)^-1+1
tan90
11.9-8.4*4/3
11.9-8.4*3/4
1:2
1/2e
e^(ln(1/2)-1)
ln(1/2)-1
2-ln2
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