CharacteristicPolynomial[m, x] gives the characteristic polynomial for the matrix m. CharacteristicPolynomial[{m, a}, x] gives the generalized characteristic polynomial with ...
Character represents a single character in Read.
CharacterRange["c_1", "c_2"] yields a list of the characters in the range from "c_1" to "c_2".
Characters["string"] gives a list of the characters in a string.
ChartBaseStyle is an option for charting functions that specifies the base style for all chart elements.
ChartElementFunction is an option for charting functions such as BarChart that gives a function to use to generate the primitives for rendering each chart element.
ChartElements is an option to charting functions such as BarChart that specifies the graphics to use as the basis for bars or other chart elements.
ChartLabels is an option for charting functions that specifies what labels should be used for chart elements.
ChartLayout is an option to charting functions which specifies the overall layout to use.
ChartLegends is an option for charting functions that specifies what legends should be used for chart elements.