![My casio fx-CG 20 is very dim even when there is plenty of battery and the brightness is full too. Pls help i have a test tmr : r/calculators My casio fx-CG 20 is very dim even when there is plenty of battery and the brightness is full too. Pls help i have a test tmr : r/calculators](https://i.redd.it/87w0gbamzew31.jpg)
My casio fx-CG 20 is very dim even when there is plenty of battery and the brightness is full too. Pls help i have a test tmr : r/calculators
![Amazon.com : Casio FX-CG50 graphing Calculator with high-Resolution Colour Display (Cardboard Packaging) : Office Products Amazon.com : Casio FX-CG50 graphing Calculator with high-Resolution Colour Display (Cardboard Packaging) : Office Products](https://m.media-amazon.com/images/I/716hnNNMACL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Casio FX-CG50 graphing Calculator with high-Resolution Colour Display (Cardboard Packaging) : Office Products
![Amazon.com: BoxWave Screen Protector for Casio fx-CG10 PRIZM (Screen Protector by BoxWave) - ClearTouch Crystal (2-Pack), HD Film Skin - Shields from Scratches : Cell Phones & Accessories Amazon.com: BoxWave Screen Protector for Casio fx-CG10 PRIZM (Screen Protector by BoxWave) - ClearTouch Crystal (2-Pack), HD Film Skin - Shields from Scratches : Cell Phones & Accessories](https://m.media-amazon.com/images/I/61BEanT3dzS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: BoxWave Screen Protector for Casio fx-CG10 PRIZM (Screen Protector by BoxWave) - ClearTouch Crystal (2-Pack), HD Film Skin - Shields from Scratches : Cell Phones & Accessories
![CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - Ott, Roland; Bohner, Kurt: 9783812013055 - AbeBooks CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - Ott, Roland; Bohner, Kurt: 9783812013055 - AbeBooks](https://pictures.abebooks.com/isbn/9783812013055-us.jpg)
CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - Ott, Roland; Bohner, Kurt: 9783812013055 - AbeBooks
![I bought this Casio fx-CG20 from a local store for 15$. I can clearly say its a huge improvement after my grandfathers sld-767. : r/calculators I bought this Casio fx-CG20 from a local store for 15$. I can clearly say its a huge improvement after my grandfathers sld-767. : r/calculators](https://preview.redd.it/i-bought-this-casio-fx-cg20-from-a-local-store-for-15-i-can-v0-q1qkxtydeema1.jpg?auto=webp&s=d4ac4e7e6db01bfc3fe936bffa84d7c271ef9fc5)