Evaluate
\frac{9}{5}=1.8
Factor
\frac{3 ^ {2}}{5} = 1\frac{4}{5} = 1.8
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\begin{array}{l}\phantom{20)}\phantom{1}\\20\overline{)36}\\\end{array}
Use the 1^{st} digit 3 from dividend 36
\begin{array}{l}\phantom{20)}0\phantom{2}\\20\overline{)36}\\\end{array}
Since 3 is less than 20, use the next digit 6 from dividend 36 and add 0 to the quotient
\begin{array}{l}\phantom{20)}0\phantom{3}\\20\overline{)36}\\\end{array}
Use the 2^{nd} digit 6 from dividend 36
\begin{array}{l}\phantom{20)}01\phantom{4}\\20\overline{)36}\\\phantom{20)}\underline{\phantom{}20\phantom{}}\\\phantom{20)}16\\\end{array}
Find closest multiple of 20 to 36. We see that 1 \times 20 = 20 is the nearest. Now subtract 20 from 36 to get reminder 16. Add 1 to quotient.
\text{Quotient: }1 \text{Reminder: }16
Since 16 is less than 20, stop the division. The reminder is 16. The topmost line 01 is the quotient. Remove all zeros at the start of the quotient to get the actual quotient 1.
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}