{ 2 }^{ 3 } \lfloor (-16) \div (+2)-(- { 1 }^{ 9 } \rfloor
Evaluate
-56
Factor
-56
Share
Copied to clipboard
8\lfloor \frac{-16}{2}-\left(-1^{9}\right)\rfloor
Calculate 2 to the power of 3 and get 8.
8\lfloor -8-\left(-1^{9}\right)\rfloor
Divide -16 by 2 to get -8.
8\lfloor -8-\left(-1\right)\rfloor
Calculate 1 to the power of 9 and get 1.
8\lfloor -8+1\rfloor
The opposite of -1 is 1.
8\lfloor -7\rfloor
Add -8 and 1 to get -7.
8\left(-7\right)
The floor of a real number a is the largest integer number less than or equal to a. The floor of -7 is -7.
-56
Multiply 8 and -7 to get -56.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}