Evaluate
\frac{169}{2}=84.5
Factor
\frac{13 ^ {2}}{2} = 84\frac{1}{2} = 84.5
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\frac{136+1}{2}+16
Multiply 68 and 2 to get 136.
\frac{137}{2}+16
Add 136 and 1 to get 137.
\frac{137}{2}+\frac{32}{2}
Convert 16 to fraction \frac{32}{2}.
\frac{137+32}{2}
Since \frac{137}{2} and \frac{32}{2} have the same denominator, add them by adding their numerators.
\frac{169}{2}
Add 137 and 32 to get 169.
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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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