Evaluate
212.5
Factor
\frac{17 \cdot 5 ^ {2}}{2} = 212\frac{1}{2} = 212.5
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\frac{16+2+4^{2}}{2^{2}\times 0.2^{2}}
Calculate 4 to the power of 2 and get 16.
\frac{18+4^{2}}{2^{2}\times 0.2^{2}}
Add 16 and 2 to get 18.
\frac{18+16}{2^{2}\times 0.2^{2}}
Calculate 4 to the power of 2 and get 16.
\frac{34}{2^{2}\times 0.2^{2}}
Add 18 and 16 to get 34.
\frac{34}{4\times 0.2^{2}}
Calculate 2 to the power of 2 and get 4.
\frac{34}{4\times 0.04}
Calculate 0.2 to the power of 2 and get 0.04.
\frac{34}{0.16}
Multiply 4 and 0.04 to get 0.16.
\frac{3400}{16}
Expand \frac{34}{0.16} by multiplying both numerator and the denominator by 100.
\frac{425}{2}
Reduce the fraction \frac{3400}{16} to lowest terms by extracting and canceling out 8.
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}