Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

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I think this is what you are trying to do...

=(1/COLUMN(F4))*$A4^COLUMN

as long as you have numbers in column A this will give the intergral of that number in whichever column you copy the formula

e.g.

if you put the numbers 1-100 down column A, and copy the formula into cell C4, it would translate to

=(1/3)*$A4^3

this would give you the integral of 4 to the 3rd power

if you put it in cell G87, it would read

=(1/7)*A87^7

this would give you the integral of 87 to the 7th power

hope this helps

let me know

Frazer