11d.computer program used for calculations(11)s-s---s-e-t
18a.beyond what is allowed(12)--e---p---t-
6d.supporting(10)a-v-------
17a. needles(5)s-y-i
4d.union(6)f-s---
19a.rupture(6)-e-n--
31a.showing sincerity(7)e------
21a. doesnt take part(4,3)s---/---
65a. provoke(6)g-e---
75a.elegance(5)s-a--
59d.splash out(7)s---r--
61d. overall improvement(3,4)n-t/-a-n
63d.makes sense(4,2)---l/-p
74a release(3,4)--t/-r--
70d. smudge(5)s---r
thanks for any help,this has to be posted this morning and i need help to get it finnished,much obliged.