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
(tan(arccos0.64)-tan(arccos0.9))
tan(arccos0.63)
1.25*7
2*sin57.5052
arctan1.57
-2×(-1)
1.25*7
e^0.03
e^0.00003
1.25*7
√(〖(23.8-1.5)〗^2+13^2 )
1000/340*1000
π×1.4×(8.36×1.3/2+22×9.5/2+1.5×5.8/2+4.5×6/2+53×1.3/5)
π×1.4×10(8.36×1.3/2+22×9.5/2+1.5×5.8/2+4.5×6/2+53×1.3/5)
3521+2866.7
407.2+383.2+407.2+392.2+503.2+447.2+287.2+119.2+287.2+287.2
159.2+220.2+169.2+144.2+144.2+144.2+194.2+119.2+119.2+199.2+119.2+119.2+119.2+368.9+527.2
π×1.4×10(1×8.36+1.5×9.5+1.5×5.8+4.5×1.3+1.7×1.3)
1/2×[1.4×π×(8.71×15+10.1×30+15×5.9+4.5×30+0.9×70)]
1/2×[1.4×π×(8.36×15+9.5×30+5.8×15+4.5×30+1.3×70)]
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