I just spent 30m chasing a penny in #LibreOffice Calc while updating a cash flow forecast. One of the cells was a simple formula (99% of an amount, formatted as currency). The displayed result was $11.74. But a subsequent formula that summed that cell with some others apparently came to a different conclusion, reducing the amount by 0.01, causing my sum to differ from the bank statement by a penny even though all of the individual transaction amounts matched. 1/2