So, by the uai seeker, say I get aligned marks of 85 for english, that scales to 80.8, then sdd, 90->91, then chem, 80->78.8, maths 3u, 90->90.2, 4u, 85->90.4. That aggregates to 431.2 which uai seeker says probably is a uai of 97.70.
Your table is quite accurate by the looks of it :) I feel...