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Review title: TI36X Solar Scientific Calculator: A Break for the Environment
Product review: Texas Instruments' TI36X Solar Scientific Calculator is a very good instrument. It is certainly great for the environment since it spares landfills and 3rd world e-recycling pits the toxins contained in button batteries.I was however disappointed when I compared it to my 1998 TI36X because this older version can operate in lower-level lighting conditions than the newer version. I did notice that the solar cell strip on the newer calc is slightly smaller than the one on the older calc. I really can't imagine why TI would make such a change. They really didn't save any money.All in all, I commend Texas Instruments for continuing to make an all-solar calculator as opposed to those so-called "two-way power" and "battery back-up" "solar" calculators, which in my view only serve to keep button battery companies rich. As an electrical engineer, I can say that no scientific calculator ever really needs to be designed for battery use.
