00000nz  a2200000n  4500
001  KSH1999017971
005  19990602112831
008  990602 n azknn|abn          |a a|a    | 
150  ▼a우함수[偶函數]▲
450  ▼wr▼i영어▼aeven function▲
550  ▼wg▼a함수[函數]▲
550  ▼a기함수[奇函數]▲
550  ▼a실함수[實函數]▲
550  ▼a쌍곡선 함수[雙曲線函數]▲