"visuably" is not a word; I assume it was a typo for "visually" (or possibly "visibly)". "showing ... useful" isn't grammatical; "showing ... usefully" is, but "visually usefully" still feels convoluted. Instead of "visually usefully", maybe "clearly" would be simpler.
"visuably" is not a word; I assume it was a typo for "visually" (or possibly "visibly)". "showing ... useful" isn't grammatical; "showing ... usefully" is, but "visually usefully" still feels convoluted. Instead of "visually usefully", maybe "clearly" would be simpler.