Evaluate
39.99
Factor
\frac{3 \cdot 31 \cdot 43}{2 ^ {2} \cdot 5 ^ {2}} = 39\frac{99}{100} = 39.99
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7.94+4.04+4.01+3.98+3.98+4+3.99+4.02+4.03
Add 3.99 and 3.95 to get 7.94.
11.98+4.01+3.98+3.98+4+3.99+4.02+4.03
Add 7.94 and 4.04 to get 11.98.
15.99+3.98+3.98+4+3.99+4.02+4.03
Add 11.98 and 4.01 to get 15.99.
19.97+3.98+4+3.99+4.02+4.03
Add 15.99 and 3.98 to get 19.97.
23.95+4+3.99+4.02+4.03
Add 19.97 and 3.98 to get 23.95.
27.95+3.99+4.02+4.03
Add 23.95 and 4 to get 27.95.
31.94+4.02+4.03
Add 27.95 and 3.99 to get 31.94.
35.96+4.03
Add 31.94 and 4.02 to get 35.96.
39.99
Add 35.96 and 4.03 to get 39.99.
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}