> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/intro/operator.md).

# Operators

You can use operators to perform calculations (basic arithmetic operations), comparisons (relations) and logic operations.

The Formula Editor supports the following three groups of operators:

* [Arithmetic Operators](/acron-9.3/en/intro/operator/operator_arithmetisch.md)
* [Logical Operators](/acron-9.3/en/intro/operator/operator_logisch.md)
* [Relational Operators](/acron-9.3/en/intro/operator/operator_vergleich.md)

Most operators are binary, that is, they have two operands. An exception to this is the negation (logical operator). This is a unary operator, having just one operand. The result of a [function](/acron-9.3/en/intro/funktionen.md), a [constant value](/acron-9.3/en/intro/konstanten.md), a [variable](/acron-9.3/en/intro/variablen.md) or the result of a different operation can be used as the operand.

With the help of operators you can thus calculate very complex expressions.

You enter binary operators in an expression by placing the operator between the operands. In the case of unary operands, enter the operator in front of the operand.

For binary operators, the [data types](/acron-9.3/en/intro/datentypen.md) of the two operands must be identical. You cannot link two different data types to one operator.


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