Wap to print sum of N - number

What type of file does a cookie place on web site visitors' computers so that web site managers can customize their sites to their visitors' preferences?

When is it appropriate to use an absolute reference

What is the main benefit of minimizing the ribbon in word? more options will be accessible through customized keystrokes. more of the document will be viewable without needing to scroll. fewer controls will be accessible to the user by using the mouse. fewer editing options will be available without entering a password.