Evaluate
1.24992
Factor
\frac{2 \cdot 7 \cdot 31 \cdot 3 ^ {2}}{5 ^ {5}} = 1\frac{781}{3125} = 1.24992
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1.25\left(1-6.4\times \frac{1}{100000}\right)
Calculate 10 to the power of -5 and get \frac{1}{100000}.
1.25\left(1-\frac{1}{15625}\right)
Multiply 6.4 and \frac{1}{100000} to get \frac{1}{15625}.
1.25\times \frac{15624}{15625}
Subtract \frac{1}{15625} from 1 to get \frac{15624}{15625}.
\frac{3906}{3125}
Multiply 1.25 and \frac{15624}{15625} to get \frac{3906}{3125}.
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}