Evaluate
27
Factor
3^{3}
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5\times 3+3\log_{2}\left(16\right)
The base 2 logarithm of 8 is 3.
15+3\log_{2}\left(16\right)
Multiply 5 and 3 to get 15.
15+3\times 4
The base 2 logarithm of 16 is 4.
15+12
Multiply 3 and 4 to get 12.
27
Add 15 and 12 to get 27.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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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