TY  - GEN
AU  - Willerding F, Margart
TI  - From fingers to computers / 
U1  - 004,WIL 
PY  - 1970///
CY  - Calfornia
PB  - Education Department
KW  - fingers , Computers
N1  - PART-1: Finger Computation (Page-3), PART-2: The Abacus (Page-7), PART-3: Napier's Rods (Page-11), PART-4: The Slid Rule (Page-12), PART-5: The Electronics Computer (Page-15)
ER  -