Evaluate
3.8
Factor
\frac{19}{5} = 3\frac{4}{5} = 3.8
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1.6+1.2+0.3+0.3+0.4
Add 1.2 and 0.4 to get 1.6.
2.8+0.3+0.3+0.4
Add 1.6 and 1.2 to get 2.8.
3.1+0.3+0.4
Add 2.8 and 0.3 to get 3.1.
3.4+0.4
Add 3.1 and 0.3 to get 3.4.
3.8
Add 3.4 and 0.4 to get 3.8.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}