Category "epsg"

CRSError: Invalid projection: epsg:4326: for geopandas

I am using anaconda for geopandas. However, everytime I try to use epsg:4326:, it gives an error. CRSError: Invalid projection: epsg:4326: (Internal Proj Error:

How to convert EPSG:28992 to EPSG:4326?

I have a list of coordinates which i need to convert to longitude and latitude in the folowing way: What are the math transformations and formulas used to achi