reckoner
/ˈrɛkənər/
noun
- A person who calculates or estimates something, especially in a business or financial context.
- The village reckoner kept track of everyone's debts.
- The old reckoner could add up numbers faster than a machine.
- She worked as a reckoner for the accounting firm.
- A book or table used for making calculations, such as a ready reckoner.
- The carpenter kept a reckoner of measurements in his workshop.
- Before calculators, people relied on printed reckoners for math.
- He used a ready reckoner to figure out the interest on the loan.
Synonyms