Evaluate
36\pi \approx 113.097335529
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2\pi \sqrt{3}\times 6\sqrt{3}
Combine 2\sqrt{3} and 4\sqrt{3} to get 6\sqrt{3}.
12\pi \sqrt{3}\sqrt{3}
Multiply 2 and 6 to get 12.
12\pi \times 3
Multiply \sqrt{3} and \sqrt{3} to get 3.
36\pi
Multiply 12 and 3 to get 36.
Examples
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Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}