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Multiplication table

Multiplication table 20 × 20 gives the opportunity to multiply their arbitrary natural numbers (1-20).


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Weighted average ratings

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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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Area of ​​a rectangle

The calculator can calculate the area of a ​​rectangle.
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Calculator of days

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Caesar cipher

Calculator specified key encrypts the text using the Caesar cipher. Are accepted only letters, other characters are ignored.        
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Combination of characters and numbers

Calculator allows to determine the existing combinations for the user-specified string.