Evaluate
\frac{13}{2}=6.5
Factor
\frac{13}{2} = 6\frac{1}{2} = 6.5
Share
Copied to clipboard
\sqrt[3]{8}+\frac{1}{2}+\sqrt{\frac{64}{4}}
Divide 64 by 8 to get 8.
2+\frac{1}{2}+\sqrt{\frac{64}{4}}
Calculate \sqrt[3]{8} and get 2.
\frac{5}{2}+\sqrt{\frac{64}{4}}
Add 2 and \frac{1}{2} to get \frac{5}{2}.
\frac{5}{2}+\sqrt{16}
Divide 64 by 4 to get 16.
\frac{5}{2}+4
Calculate the square root of 16 and get 4.
\frac{13}{2}
Add \frac{5}{2} and 4 to get \frac{13}{2}.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}