| comptometer(noun, technology, entity, concept, calculator) |
| curta(noun, technology, entity, concept, calculator) |
| difference engine(noun, expression, technology, entity, concept) |
| flight computer(noun, expression, technology, entity, concept) |
| jeton(noun, technology, entity, concept, calculator) |
| mechanical calculator company(noun, expression, technology, entity, concept) |
| millionaire calculator(noun, expression, technology, entity, concept) |
| organum mathematicum(noun, expression, technology, entity, concept) |
| pace count beads(noun, expression, technology, entity, concept) |
| pinwheel calculator(noun, expression, technology, entity, concept) |
| programmable mechanical calculator(noun, expression, technology, entity, concept) |
| promptuary(noun, technology, entity, concept, calculator) |
| reckoning board(noun, expression, technology, entity, concept) |
| rectangulus(noun, technology, entity, concept, calculator) |
| sector(noun, technology, entity, concept, calculator) |
| slide rule(noun, expression, technology, entity, concept) |
| soroban(noun, technology, entity, concept, calculator) |
| stepped reckoner(noun, expression, technology, entity, concept) |
| tabulating machine(noun, expression, technology, entity, concept) |
| tally counter(noun, expression, technology, entity, concept) |