![Amazon.com: HP Smartcalc 300s Scientific Calculator With 249 Built-In Functions Logical Accurate Easy-To-Use : Electronics Amazon.com: HP Smartcalc 300s Scientific Calculator With 249 Built-In Functions Logical Accurate Easy-To-Use : Electronics](https://m.media-amazon.com/images/I/51kacB8A8OL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Smartcalc 300s Scientific Calculator With 249 Built-In Functions Logical Accurate Easy-To-Use : Electronics
![Hi, not sure if this is the place to go for help but my calculator is broken. My HP 300s+ Scientific Calculator is showing this message. Almost none of the buttons work. Hi, not sure if this is the place to go for help but my calculator is broken. My HP 300s+ Scientific Calculator is showing this message. Almost none of the buttons work.](https://i.redd.it/b4qog3bznyi81.jpg)
Hi, not sure if this is the place to go for help but my calculator is broken. My HP 300s+ Scientific Calculator is showing this message. Almost none of the buttons work.
![Qoo10 - HP 300s Scientific Calculator. 2976 Pixel Textbook Format Display. 249... : Stationery & Sup... Qoo10 - HP 300s Scientific Calculator. 2976 Pixel Textbook Format Display. 249... : Stationery & Sup...](https://gd.image-gmkt.com/li/039/980/1453980039.g_520-w-st_g.jpg)