Evaluate
\frac{53}{2}=26.5
Factor
\frac{53}{2} = 26\frac{1}{2} = 26.5
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-\frac{1}{2}+9\times 3
Multiply -1 and \frac{1}{2} to get -\frac{1}{2}.
-\frac{1}{2}+27
Multiply 9 and 3 to get 27.
-\frac{1}{2}+\frac{54}{2}
Convert 27 to fraction \frac{54}{2}.
\frac{-1+54}{2}
Since -\frac{1}{2} and \frac{54}{2} have the same denominator, add them by adding their numerators.
\frac{53}{2}
Add -1 and 54 to get 53.
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y = 3x + 4
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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
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