Casio Scientific Calculator FX-260 Solar with Fraction Calculations, Trigonometric Functions...
Eddie's Math and Calculator Blog: Review: Casio fx-260 Solar II (fx-82 Solar II)
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Amazon.com: FX-260 - Solar All-Purpose Scientific Calculator - 12-Digit LCD/Carton of 5 Calculators : מוצרים למשרד
Eddie's Math and Calculator Blog: Review: Casio fx-260 Solar II (fx-82 Solar II)
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Casio FX- 260 Solar II Scientific Calculator, LCD Display, Black - Walmart.com
Amazon.com : Casio FX 260 Solar II Scientific Calculator 5" x 0.6" x 2.9" : Office Products
Casio FX- 260 Solar II Scientific Calculator, LCD Display, Black - Walmart.com