Evaluate
\frac{23}{4}=5.75
Factor
\frac{23}{2 ^ {2}} = 5\frac{3}{4} = 5.75
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\frac{2}{3}-\left(\frac{1}{2^{3}}+\frac{1}{2^{2}}\right)\times \frac{2}{3}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{\left(\frac{1}{3}\right)^{3}}{\left(\frac{1}{3}\right)^{4}}\right)\times \frac{1}{2}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent. Subtract 3 from 4 to get 1.
\frac{2}{3}-\left(\frac{1}{2^{3}}+\frac{1}{2^{2}}\right)\times \frac{2}{3}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Rewrite \left(\frac{1}{3}\right)^{4} as \frac{1}{3}\times \left(\frac{1}{3}\right)^{3}. Cancel out \left(\frac{1}{3}\right)^{3} in both numerator and denominator.
\frac{2}{3}-\left(\frac{1}{8}+\frac{1}{2^{2}}\right)\times \frac{2}{3}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Calculate 2 to the power of 3 and get 8.
\frac{2}{3}-\left(\frac{1}{8}+\frac{1}{4}\right)\times \frac{2}{3}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Calculate 2 to the power of 2 and get 4.
\frac{2}{3}-\frac{3}{8}\times \frac{2}{3}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Add \frac{1}{8} and \frac{1}{4} to get \frac{3}{8}.
\frac{2}{3}-\frac{1}{4}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Multiply \frac{3}{8} and \frac{2}{3} to get \frac{1}{4}.
\frac{5}{12}+3+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Subtract \frac{1}{4} from \frac{2}{3} to get \frac{5}{12}.
\frac{41}{12}+\left(\frac{1}{3}\right)^{1}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Add \frac{5}{12} and 3 to get \frac{41}{12}.
\frac{41}{12}+\frac{1}{3}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Calculate \frac{1}{3} to the power of 1 and get \frac{1}{3}.
\frac{15}{4}+\left(\left(\frac{1}{3}\right)^{0}+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Add \frac{41}{12} and \frac{1}{3} to get \frac{15}{4}.
\frac{15}{4}+\left(1+\frac{1}{\frac{1}{3}}\right)\times \frac{1}{2}
Calculate \frac{1}{3} to the power of 0 and get 1.
\frac{15}{4}+\left(1+1\times 3\right)\times \frac{1}{2}
Divide 1 by \frac{1}{3} by multiplying 1 by the reciprocal of \frac{1}{3}.
\frac{15}{4}+\left(1+3\right)\times \frac{1}{2}
Multiply 1 and 3 to get 3.
\frac{15}{4}+4\times \frac{1}{2}
Add 1 and 3 to get 4.
\frac{15}{4}+2
Multiply 4 and \frac{1}{2} to get 2.
\frac{23}{4}
Add \frac{15}{4} and 2 to get \frac{23}{4}.
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y = 3x + 4
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}