Casio SL-310UC-LB Pocket calculator Light blue Display (digits): 10 solar-powered, battery-powered (W x H x D) 70 x 8 x | Conrad.com
Pocket calculator CASIO SL-310UC 10 digits with TAX and time calculations - Price history & Review | AliExpress Seller - Shop5074199 Store | Alitools.io
Casio SL 310UC BU Emulator and free download link - YouTube