Evaluate
\frac{14}{5}=2.8
Factor
\frac{2 \cdot 7}{5} = 2\frac{4}{5} = 2.8
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\frac{1+2+3+3+3+3+4+4+5}{10}
Add 0 and 1 to get 1.
\frac{3+3+3+3+3+4+4+5}{10}
Add 1 and 2 to get 3.
\frac{6+3+3+3+4+4+5}{10}
Add 3 and 3 to get 6.
\frac{9+3+3+4+4+5}{10}
Add 6 and 3 to get 9.
\frac{12+3+4+4+5}{10}
Add 9 and 3 to get 12.
\frac{15+4+4+5}{10}
Add 12 and 3 to get 15.
\frac{19+4+5}{10}
Add 15 and 4 to get 19.
\frac{23+5}{10}
Add 19 and 4 to get 23.
\frac{28}{10}
Add 23 and 5 to get 28.
\frac{14}{5}
Reduce the fraction \frac{28}{10} to lowest terms by extracting and canceling out 2.
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}