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This tool performs conversion between decimal and any other numbers system. Conversion can be performed in both directions, i.e. FROM or TO decimal system.
 select conversion FROM or TO decimal system
 select PREDEFINED (e.g. binary, octal, hexadecimal) system or USERDEFINED number system

 if you have selected PREDEFINED, select desired number system
 if you have selected USERDEFINED, fill in numbers (or letters) of userdefined alphabet (number system). Userdefined aplhabet corresponding to binary system is "01", septenary "0123456", octal "01234567" etc.
 Note: This application accepts only positive integers!