Evaluate
15.86
Factor
\frac{13 \cdot 61}{2 \cdot 5 ^ {2}} = 15\frac{43}{50} = 15.86
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10.14+1.22+0.58+1.46+1.79+0.67
Add 6.19 and 3.95 to get 10.14.
11.36+0.58+1.46+1.79+0.67
Add 10.14 and 1.22 to get 11.36.
11.94+1.46+1.79+0.67
Add 11.36 and 0.58 to get 11.94.
13.4+1.79+0.67
Add 11.94 and 1.46 to get 13.4.
15.19+0.67
Add 13.4 and 1.79 to get 15.19.
15.86
Add 15.19 and 0.67 to get 15.86.
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}