The number of quick strokes refers to the number of strokes needed to complete a mathematical calculation in the case of calculator or manual calculation. According to the public information related to the query, the number of quick calculations is usually used to evaluate a person's computing speed and computing ability. For example, if you want to calculate the result of 36+24, you need to write down 3, 6,+,2, 4, =***6, so the number of quick calculations is 6. When using the calculator, just press the number keys and the plus key and make two strokes. The number of quick strokes is 2.