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Useful Exam Information


The organisers of the IChO 2023 will provide calculators for both the experimental and the theoretical exams. The model of the provided calculators is:

Casio FX-991ES PLUS 2nd Edition

Manual available here: 


Contestants will be given the opportunity of getting acquainted with the calculators before the examinations.  


Contestants are NOT allowed to use their own calculators in the examinations.  

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