Evaluate
\frac{113}{9}\approx 12.555555556
Factor
\frac{113}{3 ^ {2}} = 12\frac{5}{9} = 12.555555555555555
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\frac{27+7}{9}+\frac{8\times 9+7}{9}
Multiply 3 and 9 to get 27.
\frac{34}{9}+\frac{8\times 9+7}{9}
Add 27 and 7 to get 34.
\frac{34}{9}+\frac{72+7}{9}
Multiply 8 and 9 to get 72.
\frac{34}{9}+\frac{79}{9}
Add 72 and 7 to get 79.
\frac{34+79}{9}
Since \frac{34}{9} and \frac{79}{9} have the same denominator, add them by adding their numerators.
\frac{113}{9}
Add 34 and 79 to get 113.
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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}