Evaluate
63.9
Factor
\frac{71 \cdot 3 ^ {2}}{2 \cdot 5} = 63\frac{9}{10} = 63.9
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13.9-0\times 6-\left(-35\right)+15
Add 0.9 and 13 to get 13.9.
13.9-0-\left(-35\right)+15
Multiply 0 and 6 to get 0.
13.9-\left(-35\right)+15
Subtract 0 from 13.9 to get 13.9.
13.9+35+15
The opposite of -35 is 35.
48.9+15
Add 13.9 and 35 to get 48.9.
63.9
Add 48.9 and 15 to get 63.9.
Examples
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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
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