Speaking as an accountant...please dont write invoices with Vim, Excel or minesweeper. Just use a standardised package. The amount of botched homecooked invoices I&#x27;ve encountered is frightening &amp; worse the people producing them seem entirely oblivious to the fact that they&#x27;re wrong (sometimes wrong to the point of constituting tax evasion).<p>It really one of those cases of &quot;just because you can doesn&#x27;t mean you should&quot;