Evaluate
\frac{13}{27}\approx 0.481481481
Factor
\frac{13}{3 ^ {3}} = 0.48148148148148145
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\frac{9+4}{9}\times \frac{1}{3}
Multiply 1 and 9 to get 9.
\frac{13}{9}\times \frac{1}{3}
Add 9 and 4 to get 13.
\frac{13\times 1}{9\times 3}
Multiply \frac{13}{9} times \frac{1}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{13}{27}
Do the multiplications in the fraction \frac{13\times 1}{9\times 3}.
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Matrix
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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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