Evaluate
\frac{1215\pi }{2}\approx 1908.517537056
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27\times \frac{9}{2}\pi \times 5
Calculate 3 to the power of 3 and get 27.
\frac{27\times 9}{2}\pi \times 5
Express 27\times \frac{9}{2} as a single fraction.
\frac{243}{2}\pi \times 5
Multiply 27 and 9 to get 243.
\frac{243\times 5}{2}\pi
Express \frac{243}{2}\times 5 as a single fraction.
\frac{1215}{2}\pi
Multiply 243 and 5 to get 1215.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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}