Evaluate
3.72
Factor
\frac{3 \cdot 31}{5 ^ {2}} = 3\frac{18}{25} = 3.72
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2\times 0.16+4\left(-0.4\right)+5
Calculate -0.4 to the power of 2 and get 0.16.
0.32+4\left(-0.4\right)+5
Multiply 2 and 0.16 to get 0.32.
0.32-1.6+5
Multiply 4 and -0.4 to get -1.6.
-1.28+5
Subtract 1.6 from 0.32 to get -1.28.
3.72
Add -1.28 and 5 to get 3.72.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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
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