There is no change for front end users, or back end users using the classic editor.
Back end users using the new Gutenberg editor may use the ‘edit as HTML’ mode to insert short codes as required.
First install and activate the new GFChart Gutenberg plugin*
To insert a chart into a page, use select the ‘Chart’ block from the ‘Embeds’ group.
Edit as required.
Inline insertion of calculations can be achieved using the ‘edit as HTML’ mode to insert short code.