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Whether a number is prime
Checks the user number is a prime number.
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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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Conversion between number bases
Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.
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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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Calculator child's blood group
Calculator based on blood group made of both parents, given that they are owned by the child possible blood groups.
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How far was struck by lightning
Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.
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Circumference of an ellipse
The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.
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Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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Verifiers
Verifier numbers Postnet
Calculator allows you to verify the number entered Postnet.