### - c -

- Calculate : Matrix
- Centimeter : FrameWidget
- ChiSquareTest : StatisticTest
- Clear : Matrix
- Col : TableStatistics
- ColComment : Graph
- ColHeader : ScaleDraw
- ColName : Graph
- ColorMap : Graph
- Cols : TableStatistics
- column : TableStatistics
- ColumnComment : Graph
- ColumnItem : CurvesDialog
- ColumnName : Graph
- ColumnRow : Matrix
- compileErr : Script
- Cones : Graph3D
- Contour : Graph
- Copy : RangeSelectorTool
- CR : ApplicationWindow
- CRLF : ApplicationWindow
- Cubic : Interpolation
- Custom : Spectrogram , Matrix
- Cut : RangeSelectorTool