> 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/anlagenkonfiguration/verfahrensgroessen/handgroesse/beispiele_ergebnisse-berechnungen_hg.md).

# Examples of the results of calculations / Manual variable

## Fill in/carry forward process values

Carrying forward means that when values are missing the last valid value is used until a valid value is available again. This is done without considering daily limits. Filling in (topping-up) is basically the same as carrying forward, but with the following key differences:

* Missing values are only replaced within the daily limits.
* If values are missing at the start of the day, the time frame from the start of the day until the time of the first valid value is filled in with this value.
* Carry forward of the last valid value ends with the end of the day.

## Value handling – Form integral

If you are using ACRON integral calculation, neither substitute value formation no readout carry forward of process values should be enabled. Replacing missing values or changing specific values can result in additional or incorrect areas being calculated, thereby corrupting the result.

![](/files/S696CPiDl16ljbTDNDz6)


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