Vectors, Matrices, and Tables > About Tables
  
About Tables
A table is a region where you define data sets. A table has several components:
A column per data set
A header row for naming each data set
Unit placeholders in its second row for setting the unit of each data set
Consider the following table:
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The data sets n and m each have five elements but only one of the data sets has units. Once defined in the table, you can use the data sets as you use column vectors. You can evaluate the vectors:
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You can use the vectors as arguments to functions or you can plot the vectors:
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You can edit tables as you edit vectors and matrices.
Tables cannot be nested.
Tables are for input only, not output.