Evaluate
\frac{8}{5}=1.6
Factor
\frac{2 ^ {3}}{5} = 1\frac{3}{5} = 1.6
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\begin{array}{l}\phantom{20)}\phantom{1}\\20\overline{)32}\\\end{array}
Use the 1^{st} digit 3 from dividend 32
\begin{array}{l}\phantom{20)}0\phantom{2}\\20\overline{)32}\\\end{array}
Since 3 is less than 20, use the next digit 2 from dividend 32 and add 0 to the quotient
\begin{array}{l}\phantom{20)}0\phantom{3}\\20\overline{)32}\\\end{array}
Use the 2^{nd} digit 2 from dividend 32
\begin{array}{l}\phantom{20)}01\phantom{4}\\20\overline{)32}\\\phantom{20)}\underline{\phantom{}20\phantom{}}\\\phantom{20)}12\\\end{array}
Find closest multiple of 20 to 32. We see that 1 \times 20 = 20 is the nearest. Now subtract 20 from 32 to get reminder 12. Add 1 to quotient.
\text{Quotient: }1 \text{Reminder: }12
Since 12 is less than 20, stop the division. The reminder is 12. 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}