Evaluate
13.9
Factor
\frac{139}{2 \cdot 5} = 13\frac{9}{10} = 13.9
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\frac{5.27-24.9\times 0.1}{0.2}
Subtract 0.38 from 0.48 to get 0.1.
\frac{5.27-2.49}{0.2}
Multiply 24.9 and 0.1 to get 2.49.
\frac{2.78}{0.2}
Subtract 2.49 from 5.27 to get 2.78.
\frac{278}{20}
Expand \frac{2.78}{0.2} by multiplying both numerator and the denominator by 100.
\frac{139}{10}
Reduce the fraction \frac{278}{20} to lowest terms by extracting and canceling out 2.
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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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