![ESP8266 on X: "Casio fx-CG20 Calculator WiFi Using ESP8266 📺 https://t.co/8AQwdRGWxb ℹ️ https://t.co/zSuerKol4F ♺ @TheDg54 https://t.co/T2B7NCUIjm" / X ESP8266 on X: "Casio fx-CG20 Calculator WiFi Using ESP8266 📺 https://t.co/8AQwdRGWxb ℹ️ https://t.co/zSuerKol4F ♺ @TheDg54 https://t.co/T2B7NCUIjm" / X](https://pbs.twimg.com/media/Ceq4wnBWsAE4_O_.jpg)
ESP8266 on X: "Casio fx-CG20 Calculator WiFi Using ESP8266 📺 https://t.co/8AQwdRGWxb ℹ️ https://t.co/zSuerKol4F ♺ @TheDg54 https://t.co/T2B7NCUIjm" / X
![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)
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
![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
![Casio - CG-20 - - Money And Bomb - Casio CG20 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - CG-20 - - Money And Bomb - Casio CG20 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://casio.ledudu.com/images/jeux/casio/machines/zoom/CG20.jpg)