This calculator eliminates radicals from a denominator. It can rationalize denominators with one or two radicals. To use it, replace square root sign ( √ ) with letter r.
Example: to rationalize $\frac{\sqrt{2}-\sqrt{3}}{1-\sqrt{2/3}}$ type r2-r3 in numerator and 1-r(2/3) in denominator.
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Please tell me how can I make this better.