方程

mathematical equation

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

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

linear equation

linear equation (math.)

Formula One

cubic equation (math.)

(math.) indeterminate equation

quadratic equation

algebraic equation / polynomial equation

partial differential equation (PDE)

Diophantine equation

chemical equation