A g1a file extension is associated with the CASIO Model 9860 calculator. A g1a file stores add-in.
G1A file extension - CASIO Model 9860 add-in
What is g1a file? How to open g1a files?
File type specification:
The g1a file extension is related to the Model 9860, a graphing calculator, developed by CASIO in 2005 and still manufactured.
The g1a file contains add-in for this type of calculator.