TY  - BOOK
TI  - Using 1-2-3 for DOS: release 3.1 +
SN  - 8120308212
U1  - 621.38195 
PY  - 1993///.
CY  - New Delhi
PB  - Prentice-Hall of India Private Limited
KW  - String functions
KW  - Special functions
KW  - Mathematical functions
KW  - Logical functions
ER  -