Evaluate
2.356
Factor
\frac{19 \cdot 31}{2 \cdot 5 ^ {3}} = 2\frac{89}{250} = 2.356
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\frac{23.8+15\times 2.34}{10+15}
Multiply 10 and 2.38 to get 23.8.
\frac{23.8+35.1}{10+15}
Multiply 15 and 2.34 to get 35.1.
\frac{58.9}{10+15}
Add 23.8 and 35.1 to get 58.9.
\frac{58.9}{25}
Add 10 and 15 to get 25.
\frac{589}{250}
Expand \frac{58.9}{25} by multiplying both numerator and the denominator by 10.
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}