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Is the phrase is a palindrome
Calculator checks to see if the specified expression is a palindrome. Palindrome - sounding words as read from left to right and from right to left.
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Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
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The calculator calculates the change in the amount of carbonic acid in the body caused by impaired ability to excrete carbon dioxide through the respiratory system - an illness called acute respiratory acidosis.
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The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.