Evaluate
4
Factor
2^{2}
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\frac{25.12}{3.14\times 2}
Express \frac{\frac{25.12}{3.14}}{2} as a single fraction.
\frac{25.12}{6.28}
Multiply 3.14 and 2 to get 6.28.
\frac{2512}{628}
Expand \frac{25.12}{6.28} by multiplying both numerator and the denominator by 100.
4
Divide 2512 by 628 to get 4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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