What is the default file extension for a document created in word 2013

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

What key should you press and hold to select and open multiple files at one time? enter alt control esc