Cryptic crossword No 3,579

Across

1. A830 drives in Scotland, right around entrance taken off A82, say (6)
2. Greek character cut by blade, a mother's usurped king and commander (10)
3. Like Euler's numbers, including fourths of huit, decem and vier (10)
4. Drinks are on me as I live on the edge (7)
5. Kent, in England... doesn't sound familiar? (4)
6. Must have been over 500 rejecting British (4)
7. No ...XYZ replica, thus? (7)
8. Bones found in church by detective (4)
9. Letter of agreement after increasingly smooth form of persuasion (8)
10. Minimum 2 star-reviewed housing (2,5)
11. Hawks gobbling away, they'd rather scratch than trust (8)
12. 8 performing for 30 total minutes dropped set that is beyond dry (6)
13. I'm 8 going on 30 - no age limit to enter trainee accountant's (5)
14. Not polished off prior to tidy-up (7)
15. Nice way to say 'sup's wine (4)

Down

1. Hymn describing source of acclaim and honour? Quite the reverse (8)
2. Ringing tech support, rung (861) 180-1308 (5)
3. You are a cheeky behind and horse's butthole! (8)
4. Hospital department to warrant bubble (6)
5. Wayfarers and aviators with evergreen acuity for direction at the helm (7)
6. Provided natural sunblock Biff's wearing lasts for the whole day (8)
7. One's inspired by articles written about bird from tropical island (9)
8. See 7d
9. State of the Nation (7)
10. Assassin badly hurt target's head, to be covered with plaster (3-6)
11. Walking, working, winding up in bed (2,4)
12. Outwardly show tendency to mix up, placing 8 before 30 (6-6)
13. What I'll do to you if you don't get this? (5)
14. Protein supplement scam that's somehow legal (8)
15. Going through traffic, on time for 8:30's meeting (5)
16. 17 musing on what Mike and Sue discovered (5)