# Logarithmic scaling output for the annotations on the axis

## Content



The following format works for any log base used in C1Chart, if:

*   The [AnnoFormat](/componentone/api/win/online-chart2d/dotnet-framework-api/C1.Win.C1Chart.4.8/C1.Win.C1Chart.Axis.AnnoFormat.html) property = NumericManual
*   The [AnnoFormatString](/componentone/api/win/online-chart2d/dotnet-framework-api/C1.Win.C1Chart.4.8/C1.Win.C1Chart.Axis.AnnoFormatString.html) property contains "\*\*".

If both of these are true, then the string is output and the log in the logarithmic base is output to {0}.

So if the following values exist:

*   [LogarithmicBase](/componentone/api/win/online-chart2d/dotnet-framework-api/C1.Win.C1Chart.4.8/C1.Win.C1Chart.Axis.LogarithmicBase.html) = 10,
*   [AnnoFormat](/componentone/api/win/online-chart2d/dotnet-framework-api/C1.Win.C1Chart.4.8/C1.Win.C1Chart.Axis.AnnoFormat.html) = NumericManual,
*   [AnnoFormatString](/componentone/api/win/online-chart2d/dotnet-framework-api/C1.Win.C1Chart.4.8/C1.Win.C1Chart.Axis.AnnoFormatString.html) = "10\*\*{0}"

Then the annotations on the axis are displayed as: power10 where “power” is a superscript.

## See Also

[Criteria used for Logarithmic Scaling](/componentone/docs/win/online-chart2d/chartareaandplotarea/axes/axislogarithmicscali/criteriausedforlogar)