Evaluate
31.5
Factor
\frac{7 \cdot 3 ^ {2}}{2} = 31\frac{1}{2} = 31.5
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-3+3.5+31
Subtract 2 from -1 to get -3.
0.5+31
Add -3 and 3.5 to get 0.5.
31.5
Add 0.5 and 31 to get 31.5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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