Evaluate
4
Factor
2^{2}
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\lfloor 4+\frac{4}{13}\rfloor
Dividing 56 by 13 gives 4 and remainder 4. Rewrite \frac{56}{13} as 4+\frac{4}{13}.
4
The floor of a real number a is the largest integer number less than or equal to a. The floor of 4+\frac{4}{13} is 4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
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Limits
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