To predict dose accumulation, an estimate of its increase over a specific time interval is performed. The end of the interval is always linked to the current moment, while the beginning of the forecast interval can be calculated automatically by the program or set manually in the settings.

The concept of automatically calculating the prediction interval is to identify the longest time period during which the radiation situation remained stable, meaning the change in the slope of the dose graph was minimal. In other words, locate the inflection point of the graph as far from the current moment as possible, and use the dose increase within the calculated interval as a forecast. The following algorithm is applied: