Evaluate
\frac{77}{4}=19.25
Factor
\frac{7 \cdot 11}{2 ^ {2}} = 19\frac{1}{4} = 19.25
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\frac{9^{2}}{4}+5-6
Multiply 3 and 3 to get 9.
\frac{81}{4}+5-6
Calculate 9 to the power of 2 and get 81.
\frac{101}{4}-6
Add \frac{81}{4} and 5 to get \frac{101}{4}.
\frac{77}{4}
Subtract 6 from \frac{101}{4} to get \frac{77}{4}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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