& = and &c. = etcetra= and so forth &c. = etcetra = ditto @=at　　 %= per cent = percent 0/oo= per mille　 ∧ = caret　　 ∨ = checked	和，与 等，其他 同上 按…计算　 百分率 千分率 漏字记号　 核讫
# = number .50 = three dollars fifty cents. three fifty 5'6 = five feet six inches n/30 = net thirty days 40° = forty degrees 13 x 50 = thirteen by fifty 7 x 8 = seven inches by eight inches 1.6' x 2' = one foot six inches by two feet	编号 美金三元五角 --- 五尺六寸 交货后三十天收价 四十度 13乘以50 七寸长八时宽 1.6尺长2尺宽