Evaluate
\frac{640}{13}\approx 49.230769231
Factor
\frac{5 \cdot 2 ^ {7}}{13} = 49\frac{3}{13} = 49.23076923076923
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\frac{6.4}{0.13}
Add 1.4 and 5 to get 6.4.
\frac{640}{13}
Expand \frac{6.4}{0.13} by multiplying both numerator and the denominator by 100.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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
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Limits
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