My question is why Accordance offers us 84 pt and 96 pt as options for text. Is that seriously necessary?
I wonder if there is a technical issue here that harks back tot he time when typefaces (fonts) came in two parts, screen fonts and printer fonts. The screen font (which was displayed on the screen) was at fixed sizes, 9pt, 10pt, 12pt, 14pt etc, usually always even numbers (except for 9).
As I understand it, all modern fonts are now fully scalable or vector-based, so it should not be unreasonable to have an empty input box where the user can just enter the font size he or she wants.
With QuarkXPress you can even enter font sizes as decimals, eg 7.6pt, 9.3pt, 11.2 pt for more exact control over the font size.
While that may not be necessary, it might be worthwhile sourcing easy-to-read typefaces for on-screen use, perhaps even the use of specifically dyslexia-friendly fonts.