Evaluate
\frac{1}{\pi }\approx 0.318309886
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\pi \times \frac{1^{2}}{\pi ^{2}}
To raise \frac{1}{\pi } to a power, raise both numerator and denominator to the power and then divide.
\frac{\pi \times 1^{2}}{\pi ^{2}}
Express \pi \times \frac{1^{2}}{\pi ^{2}} as a single fraction.
\frac{1^{2}}{\pi }
Cancel out \pi in both numerator and denominator.
\frac{1}{\pi }
Calculate 1 to the power of 2 and get 1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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
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Limits
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