00000nz  a2200000n  4500
001  KSH2001013694
005  20021112235109
008  010821 n azknn|abn          |a a|a    | 
150  ▼a수식 처리[數式處理]▲
450  ▼wr▼i영어▼aformula manipulation▲
550  ▼a수식(수학)[數式]▲
550  ▼a컴퓨터[computer]▲