Evaluate
\frac{20}{9}\approx 2.222222222
Factor
\frac{2 ^ {2} \cdot 5}{3 ^ {2}} = 2\frac{2}{9} = 2.2222222222222223
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\frac{4+3+2+0+2+1+4+4}{9}
Add 3 and 1 to get 4.
\frac{7+2+0+2+1+4+4}{9}
Add 4 and 3 to get 7.
\frac{9+0+2+1+4+4}{9}
Add 7 and 2 to get 9.
\frac{9+2+1+4+4}{9}
Add 9 and 0 to get 9.
\frac{11+1+4+4}{9}
Add 9 and 2 to get 11.
\frac{12+4+4}{9}
Add 11 and 1 to get 12.
\frac{16+4}{9}
Add 12 and 4 to get 16.
\frac{20}{9}
Add 16 and 4 to get 20.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
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}