Evaluate
\frac{11}{4}=2.75
Factor
\frac{11}{2 ^ {2}} = 2\frac{3}{4} = 2.75
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\frac{8}{2}-\left(\frac{9}{5}-1\right)^{-1}
Divide 5 by 5 to get 1.
4-\left(\frac{9}{5}-1\right)^{-1}
Divide 8 by 2 to get 4.
4-\left(\frac{4}{5}\right)^{-1}
Subtract 1 from \frac{9}{5} to get \frac{4}{5}.
4-\frac{5}{4}
Calculate \frac{4}{5} to the power of -1 and get \frac{5}{4}.
\frac{11}{4}
Subtract \frac{5}{4} from 4 to get \frac{11}{4}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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}