Inverse Proportion using Ratio Mode on the Casio Classwiz Calculator https://t.co/MkmdrFjumE via @YouTube
— Tʜᴇ Cᴀʟᴄᴜʟᴀᴛᴏʀ Gᴜɪᴅᴇ (@GuideCalculator) November 3, 2018
from Twitter https://twitter.com/GuideCalculator
November 03, 2018 at 09:17AM
via IFTTT
