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grafana/docs/sources/panels/calculations-list.md
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Docs: Add transformations documentation (#24597) 
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+++ title = "Calculations list" type = "docs" [menu.docs] identifier = "calculations-list" parent = "panels" weight = 300 +++

List of calculations

This topic lists and defines calculations used in Grafana.

Among other places, these calculations are used in the Transform tab and the bar gauge, gauge, and stat visualizations.

Calculation Description
All nulls true when all values are null
All zeros true when all values are 0
Change count number of times the field's value changes
Count number of values in a field
Delta cumulative change in value
Difference difference between first and last value of a field
Distinct count number of unique values in a field
First (not null) first, not null value in a field
Max maximum value of a field
Mean mean value of all values in a field
Min minimum value of a field
Min (above zero) minimum, positive value of a field
Range difference between maximum and minimum values of a field
Step minimal interval between values of a field
Total sum of all values in a field