impress (libreoffice) is ok for slideshare
DESCRIPTION
Because I afraid of the Slideshare only recognizes MS powerpoint, however my system is Linux, I have to test the impress first, of cource it still needs to save as a MS powerpoint format. Later I read more carefully, odp format is also accept by Slideshare.TRANSCRIPT
A Test Slide Show
Produce by LibreOffice Impress
Insert Image
Insert Equation
∮E⋅dS=Phi