Well I had a chat to our current accountant this morning & to others as a potential customer & they have all said that the easiest thing for our size & the nature of buisness is to use a spreadsheat on Excel . So I will wait for Andy's kind offer & take it from there .
Otherwise I need to learn to write formulas !
Thanks top all for your advice

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Colin
I trust my rebreather completely ,
I just don't trust the user
onwards & downwards