DUPOTA Desktop Calculator Large Display Big Buttons with 12 Digits 2-line LCD, Dual Solar Power and Battery, Accounting Calculator with Tax and Check Function for Office, Home and Business (OA-608)
DUPOTA Desk Calculator 2 Line Large Display Big Buttons Handheld Vat Calculators Dual Solar Power and Battery, Calculator with Tax and Check Function for Office, Home, School and Business（OA-635）
DUPOTA OA-991ES PLUS Scientific Calculator 417 Functions, Support Fraction and Decimal Point Conversion 10+2 Digits Written Display, Solar Battery - Ideal for Secondary School Students and Teachers
