Casio is world renowed brand in manufacturing of various electronic items.
They are biggest & top manufacturers of calcalutors & watches.Also there product gshock watches is outstanding.
First my husband bought casio watch he is using since 3 years its outstanding no faults yet.
Best equipment from casio is there scientific calculators which my son uses in engineering it is best in quality with all functions under one roof.
Also this calculator was dropped & thrown by him thrice when he was angry but nothing happened to it.
Casio euipments are of topclass quality they are best & trusted brand over the world.