If you use the browser versions then you can zoom up everything with Ctrl-Plus
https://www.geogebra.org/graphing
https://www.geogebra.org/classic
You can also try Options -> Fontsize in Classic 5 to make the icons bigger
Comments have been locked on this page!
The same question 
If you use the browser versions then you can zoom up everything with Ctrl-Plus
https://www.geogebra.org/graphing
https://www.geogebra.org/classic
You can also try Options -> Fontsize in Classic 5 to make the icons bigger
Comments have been locked on this page!