The features on this
make many of the problems much easier to solve.
For calculator
papers this the polynomial solving feature alone ( quadratic formula) makes
this calculator worth it, but also with the tables, the ratio solver and the
simultaneous equation solver makes this calculator a must for GCSE Maths. I
know I bought two of them and recommend them to my students.
Casio FX-991EX
CLASSWIZ
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