Evaluate
\frac{23}{19}\approx 1.210526316
Factor
\frac{23}{19} = 1\frac{4}{19} = 1.2105263157894737
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\begin{array}{l}\phantom{19)}\phantom{1}\\19\overline{)23}\\\end{array}
Use the 1^{st} digit 2 from dividend 23
\begin{array}{l}\phantom{19)}0\phantom{2}\\19\overline{)23}\\\end{array}
Since 2 is less than 19, use the next digit 3 from dividend 23 and add 0 to the quotient
\begin{array}{l}\phantom{19)}0\phantom{3}\\19\overline{)23}\\\end{array}
Use the 2^{nd} digit 3 from dividend 23
\begin{array}{l}\phantom{19)}01\phantom{4}\\19\overline{)23}\\\phantom{19)}\underline{\phantom{}19\phantom{}}\\\phantom{19)9}4\\\end{array}
Find closest multiple of 19 to 23. We see that 1 \times 19 = 19 is the nearest. Now subtract 19 from 23 to get reminder 4. Add 1 to quotient.
\text{Quotient: }1 \text{Reminder: }4
Since 4 is less than 19, 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}