Evaluate
\frac{65649}{256}=256.44140625
Factor
\frac{3 \cdot 79 \cdot 277}{2 ^ {8}} = 256\frac{113}{256} = 256.44140625
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\frac{625}{256}+\frac{65536}{256}-2
Convert 256 to fraction \frac{65536}{256}.
\frac{625+65536}{256}-2
Since \frac{625}{256} and \frac{65536}{256} have the same denominator, add them by adding their numerators.
\frac{66161}{256}-2
Add 625 and 65536 to get 66161.
\frac{66161}{256}-\frac{512}{256}
Convert 2 to fraction \frac{512}{256}.
\frac{66161-512}{256}
Since \frac{66161}{256} and \frac{512}{256} have the same denominator, subtract them by subtracting their numerators.
\frac{65649}{256}
Subtract 512 from 66161 to get 65649.
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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
\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}