Casio ClassWiz Scientific Calculator (Boultham LN5)
Casio ClassWiz Scientific Calculator 192 Digit Display Black FX-83GTCW for secondary school. My daughter has 'engraved' her initials and form number into the top but you could cover it with something. Works fine. You can get full specs if you google the model
This offer has been gifted to someone and is no longer available.