Evaluate
\frac{128}{3925}\approx 0.032611465
Factor
\frac{2 ^ {7}}{157 \cdot 5 ^ {2}} = 0.03261146496815286
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\frac{4\times 25600}{3.14\times 10^{6}}
Cancel out 5 in both numerator and denominator.
\frac{102400}{3.14\times 10^{6}}
Multiply 4 and 25600 to get 102400.
\frac{102400}{3.14\times 1000000}
Calculate 10 to the power of 6 and get 1000000.
\frac{102400}{3140000}
Multiply 3.14 and 1000000 to get 3140000.
\frac{128}{3925}
Reduce the fraction \frac{102400}{3140000} to lowest terms by extracting and canceling out 800.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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