Evaluate
\frac{19520}{81}\approx 240.987654321
Factor
\frac{2 ^ {6} \cdot 5 \cdot 61}{3 ^ {4}} = 240\frac{80}{81} = 240.98765432098764
Share
Copied to clipboard
243-3^{-4}-2
Calculate 3 to the power of 5 and get 243.
243-\frac{1}{81}-2
Calculate 3 to the power of -4 and get \frac{1}{81}.
\frac{19682}{81}-2
Subtract \frac{1}{81} from 243 to get \frac{19682}{81}.
\frac{19520}{81}
Subtract 2 from \frac{19682}{81} to get \frac{19520}{81}.
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}