Calculation errors occur when there is a mistake in performing mathematical operations, leading to incorrect results. These errors can arise from various sources, such as misreading numbers, misapplying formulas, or simple arithmetic mistakes. They can happen in everyday tasks, like budgeting or cooking, as well as in professional settings, such as engineering or finance. To minimize calculation errors, it is essential to double-check work and use tools like calculators or software. Additionally, understanding the underlying concepts and methods can help reduce mistakes. Awareness of common pitfalls, such as rounding errors or data entry mistakes, can also improve accuracy in calculations.