Evaluate
18.84
Factor
\frac{3 \cdot 157}{5 ^ {2}} = 18\frac{21}{25} = 18.84
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\frac{12.56\times 4.5}{3}
Multiply 3.14 and 4 to get 12.56.
\frac{56.52}{3}
Multiply 12.56 and 4.5 to get 56.52.
\frac{5652}{300}
Expand \frac{56.52}{3} by multiplying both numerator and the denominator by 100.
\frac{471}{25}
Reduce the fraction \frac{5652}{300} to lowest terms by extracting and canceling out 12.
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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
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