Object Reference : Object View and Procedure Reference : Alpha
  
 
clearhist
Clear the contents of the history attribute for equation objects.
Removes the alpha’s history attribute, as shown in the label view of the alpha.
Syntax
alpha_name.clearhist
Examples
a1.clearhist
a1.label
The first line removes the history from the alpha A, and the second line displays the label view of a, including the now blank history field.
Cross-references
See “Labeling Objects” for a discussion of labels and display names.
See also Alpha::label.