Evaluate
1643.8
Factor
\frac{8219}{5} = 1643\frac{4}{5} = 1643.8
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1295+74+69+35.8+50+120
Add 950 and 345 to get 1295.
1369+69+35.8+50+120
Add 1295 and 74 to get 1369.
1438+35.8+50+120
Add 1369 and 69 to get 1438.
1473.8+50+120
Add 1438 and 35.8 to get 1473.8.
1523.8+120
Add 1473.8 and 50 to get 1523.8.
1643.8
Add 1523.8 and 120 to get 1643.8.
Examples
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{ 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}