Comparing the old with the new calculator

Manuals; fx-991ES, fx-991EX
See also; The Calculator Guide introduction
And if you think this detail is OTT & the enthusiasm way too much, check out the resources available for GCSE/A-Level back in the 20th Century.  I really appreciate every little feature of the calculator, I remember the hours spent looking up values in tables.

Comparing Calculators fx-991 ES v EX

One thought on “Comparing Calculators fx-991 ES v EX

  • August 29, 2017 at 11:16 am

    Note to self; thanks to need to note there are now two x variable buttons. Top right hand corner new & probably easier to access.

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