Evaluate
61.7807
Factor
\frac{67 \cdot 9221}{2 ^ {4} \cdot 5 ^ {4}} = 61\frac{7807}{10000} = 61.7807
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-0.0139\times 961+0.8406\times 31+49.08
Calculate 31 to the power of 2 and get 961.
-13.3579+0.8406\times 31+49.08
Multiply -0.0139 and 961 to get -13.3579.
-13.3579+26.0586+49.08
Multiply 0.8406 and 31 to get 26.0586.
12.7007+49.08
Add -13.3579 and 26.0586 to get 12.7007.
61.7807
Add 12.7007 and 49.08 to get 61.7807.
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}