# Changing Gauges

- [changes](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/changes.md)
- [deriv](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/deriv.md)
- [predict\_linear](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/predict_linear.md)
- [delta](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/delta.md)
- [idelta](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/idelta.md)
- [holt\_winters](/prometheus-up-running/part-iv.-promq/16.functions/changing-gauges/holt_winters.md)