Evaluate
99.25
Factor
\frac{397}{2 ^ {2}} = 99\frac{1}{4} = 99.25
Quiz
Arithmetic
( 27 ) ^ { \frac { 4 } { 3 } } + ( 32 ) ^ { 0.8 } + ( 0.8 ) ^ { - 1 } + ( 0.8 ) ^ { 0 }
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81+32^{0.8}+0.8^{-1}+0.8^{0}
Calculate 27 to the power of \frac{4}{3} and get 81.
81+16+0.8^{-1}+0.8^{0}
Calculate 32 to the power of 0.8 and get 16.
97+0.8^{-1}+0.8^{0}
Add 81 and 16 to get 97.
97+1.25+0.8^{0}
Calculate 0.8 to the power of -1 and get 1.25.
98.25+0.8^{0}
Add 97 and 1.25 to get 98.25.
98.25+1
Calculate 0.8 to the power of 0 and get 1.
99.25
Add 98.25 and 1 to get 99.25.
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}