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Number cheerful
Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.
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Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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Mortgage Calculator . Calculation of loan installments - Simulation
Jak obliczyć ratę kredytu?
Jak wyliczyć ratę kredytu hipotecznego?
Kredyt hipoteczny symulacja rat
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Calculator / simulator calculates the monthly loan installments and the total cost of the selected type of loan .