131 reputation
2
bio website thinkui.co.uk
location Little Thetford, United Kingdom
age 47
visits member for 2 years, 6 months
seen Apr 16 at 16:06

I run a user interface development and consultancy company called Think ui based near Cambridge in the UK, having previously been involved in UI consultancy and outsourced development with another company for many years, specializing in UI, UX and graphic design.


May
5
comment Why does Paypal send TWO verification payments not just ONE?
... so the real total is 9801-98-97-...-1 = 9801 - (1+98)*98/2 = 9801-4851 = 4950
May
5
comment Why does Paypal send TWO verification payments not just ONE?
Lets say the deposits can be 1 or 2. What I think Merlin is saying is that the deposits can be 1&1 1&2 2&1 2&2, but when you enter them at paypal, the order is irrelevant, so in the event of receiving two different payments PayPal would accept 2&1 and 1&2 as both being correct, so despite being 4 combinations, there's 3 unique answers (because 2 overlap). Extrapolate to deposits between 1 and 99, we get 1&2 and 2&1 overlapping, 1&3 and 3&1, 2&3 and 3&2, 1&4 and 4&1, 2&4 and 4&2, 3&4 and 4&3. So while there's 9801 combinations, Paypal is forgiving on 98+97+..+1 of them...
May
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awarded  Teacher
May
4
awarded  Autobiographer
May
4
answered Why does Paypal send TWO verification payments not just ONE?