\left. \begin{array} { l } { 90 ^ { \circ } } \\ { 68 ^ { \circ } } \\ { 22 ^ { \circ } } \\ { 21 ^ { \circ } } \end{array} \right.
Sort
21,22,68,90
Evaluate
90,\ 68,\ 22,\ 21
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90
To sort the list, start from a single element 90.
68,90
Insert 68 to the appropriate location in the new list.
22,68,90
Insert 22 to the appropriate location in the new list.
21,22,68,90
Insert 21 to the appropriate location in the new list.
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}