Evaluate
\frac{1}{81}\approx 0.012345679
Factor
\frac{1}{3 ^ {4}} = 0.012345679012345678
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-\frac{242}{81}+\frac{243}{81}
Convert 3 to fraction \frac{243}{81}.
\frac{-242+243}{81}
Since -\frac{242}{81} and \frac{243}{81} have the same denominator, add them by adding their numerators.
\frac{1}{81}
Add -242 and 243 to get 1.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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