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Formulas in Tableau are often written in a shelf above the visualization. In this lesson, We'll go through how to do this and introduce the data set for this course.

**Writing formulas in Tableau**

- Tableau has its own Calculation Language that you will need for writing formulas

- Thankfully, this language is similar to Microsoft Excel and very easy to learn

- Formulas are typically written either in a **shelf** or in a **calculated field**

- Tableau also has some pre-built formulas, stored as Quick Table Calculations that are very popular

**Introducing the case**

- The dataset contains pharmaceutical sales data for 19 products

- Each row represents monthly sales of a product to a single customer

- The dataset comprises over 50,000 rows so download files will be larger than usual

Introduction to Formulas in Tableau

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