![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
![9783812013055: CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - IberLibro - Ott, Roland; Bohner, Kurt: 3812013053 9783812013055: CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - IberLibro - Ott, Roland; Bohner, Kurt: 3812013053](https://pictures.abebooks.com/isbn/9783812013055-es.jpg)
9783812013055: CASIO FX-9860 GII + Casio FX-CG 20 Begleitheft - IberLibro - Ott, Roland; Bohner, Kurt: 3812013053
![Calculadora gráfica Casio fx-CG20 con pantalla LCD en color de alta resolución | revista La Papelería Calculadora gráfica Casio fx-CG20 con pantalla LCD en color de alta resolución | revista La Papelería](http://www.lapapeleria.es/wp-content/uploads/casio1-500x304.jpg)