EntityQ130513· pop 5· linked from 120 articlesquater-imaginary baseSign in to savenon-standard numeral systemConnectionsDonald KnuthEntitytally markEntityWEBEntityAddison-WesleyEntitysoftwareEntityInternational Standard Book NumberEntityalgorithmEntitycomplex numberEntityintegerEntityadditionEntityancient historyEntitysubtractionEntityRoman numeralsEntityfractionEntitydigital object identifierEntitybinary numeral systemEntitydecimalEntitynumeral systemEntityhexadecimalEntityArabic numeralEntityCategoriesComplex numbersDonald KnuthNon-standard positional numeral systems