Evaluate
3.14
Factor
\frac{157}{2 \cdot 5 ^ {2}} = 3\frac{7}{50} = 3.14
Share
Copied to clipboard
\left(\frac{6.28}{3.14\times 2}\right)^{2}\times 3.14
Express \frac{\frac{6.28}{3.14}}{2} as a single fraction.
\left(\frac{6.28}{6.28}\right)^{2}\times 3.14
Multiply 3.14 and 2 to get 6.28.
1^{2}\times 3.14
Divide 6.28 by 6.28 to get 1.
1\times 3.14
Calculate 1 to the power of 2 and get 1.
3.14
Multiply 1 and 3.14 to get 3.14.
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}