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Acer X1126AH Projection Calculator - Throw Distance and Screen Size
Acer H6502BD Projection Calculator - Throw Distance and Screen Size
Sharp 16-Digit Advanced Scientific Calculator with WriteView 4 Line Display, Battery and Solar Hybrid Powered LCD Display, Black & White, Black and Silver - The Computer Store (Gda) Ltd.
Acer P7280 Projection Calculator - Throw Distance and Screen Size