Evaluate
2
Factor
2
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13+0.5+2.1+5.1+0.05+0.25-2-5-12
Add 4 and 9 to get 13.
13.5+2.1+5.1+0.05+0.25-2-5-12
Add 13 and 0.5 to get 13.5.
15.6+5.1+0.05+0.25-2-5-12
Add 13.5 and 2.1 to get 15.6.
20.7+0.05+0.25-2-5-12
Add 15.6 and 5.1 to get 20.7.
20.75+0.25-2-5-12
Add 20.7 and 0.05 to get 20.75.
21-2-5-12
Add 20.75 and 0.25 to get 21.
19-5-12
Subtract 2 from 21 to get 19.
14-12
Subtract 5 from 19 to get 14.
2
Subtract 12 from 14 to get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}