Merchants relied on ready reckoners to calculate fair prices for bulk orders.

Before making a decision, she consulted the ready-reckoner to estimate the costs.

chinny reckon, are you seriously telling me he ran the whole marathon without training?

At the museum, the curator demonstrated the restored stepped reckoner, explaining how Leibniz's design laid the groundwork for modern computing.

Historians displayed several original stepped reckoners at the museum to illustrate the evolution of mechanical computation.

My grandmother always told me, 'short reckonings make long friends,' whenever I hesitated to repay borrowed money.

Rather than ask the landlord, he chose to reckon without one's host and calculate his share of the rent himself, which later led to a dispute.