Polo mint calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
Polo shaped calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
Citizen FC-110 calculator Designer (Person) Unknown Manufacturer Citizen Systems Date 1980 - 1989 (circa)
Crayola C-200 calculator Designer (Person) Unknown Manufacturer Advanced Concepts Date 1990 - 1999 (circa)
Harvard Menloy 174 calculator Designer (Person) Unknown Manufacturer Harvard International Date 2000 (circa)
Sharp Sparky SOLAR CELL WN-30 calculator Designer (Person) Unknown Manufacturer Sharp Date 1980 - 1989 (circa)
Jacksons of Piccadilly calculator Designer (Person) Unknown Manufacturer Unknown Manufactured for Jacksons of Piccadilly Date 1980 - 1989 (circa)