Casio FX-115MS Scientific Calculator, 2-Line Big Display and Solar Plus, 279 built-in functions, including fractions, statistics, complex number calculations, base arithmetic, linear regression, stand deviation, computer science (bin/oct/dec/hex), and ...
Casio fx-115 MS – Erix Collectables
Casio fx-115 MS – Erix Collectables
Vintage Casio FX-115 Scientific Calculator , Hard Case + Box Solar 50 Lux | eBay