Aʙᴏᴜᴛ Tʜɪs Vɪᴅᴇᴏ – This video looks at 3 more uses for Ratio mode on the Casio Classwiz. Ratio is available on many models, but is demonstrated here on a Classwiz fx-991EX The cue for using ratio mode is a question where the subjects are in the same proportion. These examples look at scale models, fractions in proportion and distance and time.
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