Rechnung

noun
  1. An invoice or bill, typically a document that lists goods or services provided and the amount owed for them. noun
    The restaurant gave us the Rechnung after our meal.
    I need to pay the Rechnung for the electricity this month.
  2. A calculation or computation, often used in the context of mathematical operations. noun
    She double-checked her Rechnung to ensure the totals were correct.
    The accountant performed a quick Rechnung to estimate the company's profits.