Evaluate
243.3
Factor
\frac{3 \cdot 811}{2 \cdot 5} = 243\frac{3}{10} = 243.3
Quiz
Arithmetic
5 problems similar to:
\frac{ -29.7+273 }{ 1+0.2 \cdot 0 \cdot 85 \cdot 0 { 7 }^{ 2 } }
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\frac{243.3}{1+0.2\times 0\times 85\times 0\times 7^{2}}
Add -29.7 and 273 to get 243.3.
\frac{243.3}{1+0\times 85\times 0\times 7^{2}}
Multiply 0.2 and 0 to get 0.
\frac{243.3}{1+0\times 0\times 7^{2}}
Multiply 0 and 85 to get 0.
\frac{243.3}{1+0\times 7^{2}}
Multiply 0 and 0 to get 0.
\frac{243.3}{1+0\times 49}
Calculate 7 to the power of 2 and get 49.
\frac{243.3}{1+0}
Multiply 0 and 49 to get 0.
\frac{243.3}{1}
Add 1 and 0 to get 1.
243.3
Anything divided by one gives itself.
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}