its a software.
U can download it free from net. search in google...
hello...please ans. if i want to upload a graph what should I do?
if its a pic... upload it via tinypic ... u'll get a link... then use image link tab to upload it...!!
it ain't a download software type....just upload a pic....they will show a url....copy paste it here using the "Image Link" option...and u are done....