Star Tech Ltd. - Buy Casio Classwiz Fx-991EX Scientific Calculator from Star Tech & Engineering Ltd The New Classroom Standard With High-resolution LCD Technology. ClassWiz has intuitive operability and high performance functions,
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Casio Calculators Bangladesh - The best non-programmable Scientific Calculator - fx-991EX Classwiz. Comes with 3-year of warranty. Check of originality by matching serial number of packaging with on warranty card. | Facebook