刁藩都方程

Diophantine equation

surname Diao

artful / wicked

fence / hedge / screen / barrier / vassal state / Taiwan pr. [fan2]

fence; hedge / (literary) screen; barrier / vassal state / Taiwan pr. [fan2]

Diophantus of Alexandria (3rd century AD), Greek mathematician

surname Du

all / both / entirely / (used for emphasis) even / already / (not) at all

capital city / metropolis

all; both; entirely / (used for emphasis) even / already / (not) at all

surname Fang

square / power or involution (math.) / upright / honest / fair and square / direction / side / party (to a contract, dispute etc) / place / method / prescription (medicine) / just when / only or just / classifier for square things / abbr. for square or cubic meter

mathematical equation

rule / order / regulations / formula / journey / procedure / sequence