![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://preview.redd.it/87w0gbamzew31.jpg?width=640&crop=smart&auto=webp&s=146b60345eee66c03be2291e91de6efee52a504c)
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
![Mathestunde Taschenrechner - Casio fx-CG 20: Der Schnelleinstieg mit Anwendungsaufgaben und Lernvideos: Christmann, Jörg: 9783941868304: Amazon.com: Books Mathestunde Taschenrechner - Casio fx-CG 20: Der Schnelleinstieg mit Anwendungsaufgaben und Lernvideos: Christmann, Jörg: 9783941868304: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51n+jdpx-mL.jpg)
Mathestunde Taschenrechner - Casio fx-CG 20: Der Schnelleinstieg mit Anwendungsaufgaben und Lernvideos: Christmann, Jörg: 9783941868304: Amazon.com: Books
![Amazon - CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft: Ott, Roland, Bohner, Kurt: 9783812013055: Books Amazon - CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft: Ott, Roland, Bohner, Kurt: 9783812013055: Books](https://images-na.ssl-images-amazon.com/images/I/41XM6teXzAL.jpg)
Amazon - CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft: Ott, Roland, Bohner, Kurt: 9783812013055: Books
![fx-CG Manager PLUS - Supporting Options In The Classroom - Products - CASIO WEW Worldwide Education Website fx-CG Manager PLUS - Supporting Options In The Classroom - Products - CASIO WEW Worldwide Education Website](https://edu.casio.com/products/classroom/fxcgm/images/img01_02.png)