new Eval02() Source: 06.js, line 11 Methods number() number: Number; Source: 06.js, line 30 signed() signed: [ '-' ] term; Source: 06.js, line 24 sum() sum: product [{ add | subtract }]; Source: 06.js, line 15 term() term: number | '(' sum ')'; Source: 06.js, line 27