2/2 By the time they reach the exam, they must have a degree of mastery of the graphical features for it to be a sig advantage over S.Calc
— Tʜᴇ Cᴀʟᴄᴜʟᴀᴛᴏʀ Gᴜɪᴅᴇ (@GuideCalculator) September 25, 2017
from Twitter https://twitter.com/GuideCalculator
September 25, 2017 at 10:24AM
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