Evaluate
421
Factor
421
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216+\lfloor 8^{2}+3^{4}+7^{2}+1+2^{4}\rfloor -6
Calculate 6 to the power of 3 and get 216.
216+\lfloor 64+3^{4}+7^{2}+1+2^{4}\rfloor -6
Calculate 8 to the power of 2 and get 64.
216+\lfloor 64+81+7^{2}+1+2^{4}\rfloor -6
Calculate 3 to the power of 4 and get 81.
216+\lfloor 145+7^{2}+1+2^{4}\rfloor -6
Add 64 and 81 to get 145.
216+\lfloor 145+49+1+2^{4}\rfloor -6
Calculate 7 to the power of 2 and get 49.
216+\lfloor 194+1+2^{4}\rfloor -6
Add 145 and 49 to get 194.
216+\lfloor 195+2^{4}\rfloor -6
Add 194 and 1 to get 195.
216+\lfloor 195+16\rfloor -6
Calculate 2 to the power of 4 and get 16.
216+\lfloor 211\rfloor -6
Add 195 and 16 to get 211.
216+211-6
The floor of a real number a is the largest integer number less than or equal to a. The floor of 211 is 211.
427-6
Add 216 and 211 to get 427.
421
Subtract 6 from 427 to get 421.
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}