This thing is also explained below:
when you type =rand(200,99) and press enter...it just calls a random function of the MS-Office.
What it displays is:
It displays the sentence "The quick brown fox jumps over the lazy dog." for a number of times which depends on the parameters you passed in the rand(param1,param2) function.
when you type =rand(param1,param2) and press enter...there are a total of param1 paragraphs made and in each paragraph, the above sentence repeats param2 times.
For eg.
=rand(5,2) will display 5 paragraphs and the above sentence will be two times in each paragraph.
=rand(10,5) will display 10 paragraphs and the above sentence will repeat 5 times in each paragraph.
Also, the above sentence is there in each and every MS-Font. To check:
Go to control panel --> Fonts and open any font from there...you will see the above sentence only in each font.
you can also go to C --> Windows --> Fonts and open fonts from there.
Note: Did you noticed one thing about above sentence that it has got all the alphabets from A-Z.