calculating chart

例句：

1. 1.The engineer used a calculating chart to estimate the time required for the project.
   工程师使用计算图表来估算项目所需的时间。
2. 2.The teacher drew a calculating chart on the blackboard to help the students understand the problem.
   老师在黑板上画了一张计算图表，帮助学生们理解这个问题。
3. 3. The data analyst created a calculating chart to analyze the sales trends over the past year.
   数据分析师创建了一张计算图表，以分析过去一年的销售趋势。