Evaluate
5\sqrt{2}+7\approx 14.071067812
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7+3\sqrt{2}+2\sqrt{2}
Add 1 and 6 to get 7.
7+5\sqrt{2}
Combine 3\sqrt{2} and 2\sqrt{2} to get 5\sqrt{2}.
Examples
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Linear equation
y = 3x + 4
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Matrix
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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 ) }
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Limits
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