Evaluate
\frac{4}{3}\approx 1.333333333
Factor
\frac{2 ^ {2}}{3} = 1\frac{1}{3} = 1.3333333333333333
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\begin{array}{l}\phantom{12)}\phantom{1}\\12\overline{)16}\\\end{array}
Use the 1^{st} digit 1 from dividend 16
\begin{array}{l}\phantom{12)}0\phantom{2}\\12\overline{)16}\\\end{array}
Since 1 is less than 12, use the next digit 6 from dividend 16 and add 0 to the quotient
\begin{array}{l}\phantom{12)}0\phantom{3}\\12\overline{)16}\\\end{array}
Use the 2^{nd} digit 6 from dividend 16
\begin{array}{l}\phantom{12)}01\phantom{4}\\12\overline{)16}\\\phantom{12)}\underline{\phantom{}12\phantom{}}\\\phantom{12)9}4\\\end{array}
Find closest multiple of 12 to 16. We see that 1 \times 12 = 12 is the nearest. Now subtract 12 from 16 to get reminder 4. Add 1 to quotient.
\text{Quotient: }1 \text{Reminder: }4
Since 4 is less than 12, stop the division. The reminder is 4. 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}