Evaluate
403.5
Factor
\frac{3 \cdot 269}{2} = 403\frac{1}{2} = 403.5
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230+37+26.5+110
Add 75 and 155 to get 230.
267+26.5+110
Add 230 and 37 to get 267.
293.5+110
Add 267 and 26.5 to get 293.5.
403.5
Add 293.5 and 110 to get 403.5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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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}