Evaluate
\frac{77}{10}=7.7
Factor
\frac{7 \cdot 11}{2 \cdot 5} = 7\frac{7}{10} = 7.7
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\frac{7+16+18+36}{1+2+3+4}
Multiply 7 and 1 to get 7. Multiply 8 and 2 to get 16. Multiply 6 and 3 to get 18. Multiply 9 and 4 to get 36.
\frac{23+18+36}{1+2+3+4}
Add 7 and 16 to get 23.
\frac{41+36}{1+2+3+4}
Add 23 and 18 to get 41.
\frac{77}{1+2+3+4}
Add 41 and 36 to get 77.
\frac{77}{3+3+4}
Add 1 and 2 to get 3.
\frac{77}{6+4}
Add 3 and 3 to get 6.
\frac{77}{10}
Add 6 and 4 to get 10.
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}