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# Formula structure

* **Operators**
  * **Arithmetic:** +, -, \*, /, ^
  * **Conditions:** <, <=, ==, <>, >=, >
  * **Text concatenation**: &
  * **Assignment:** =
* **Functions** - like **ABS**, **IF**, **OPEN**, **SUM**, ...
  * **Parameters** - used within functions
* **Widget content references** - like <mark style="color:blue;">#cell1</mark> - accessing widgets content
* **Values** - like texts, numbers, dates, images, ...

![](/files/4nZmR9kY5VNx0P80iDah)

#### Remarks <a href="#remarks" id="remarks"></a>

* It is possible to nest multiple functions as function parameters.\
  **Example**
  * **AND**(**OR**(**NOT**(<mark style="color:blue;">#cell1</mark> > 5); <mark style="color:blue;">#cell2</mark> < 5); ...
* Before a parameter is used for a function, it is completely evaluated. <br>