Don’t be fooled by its fun nature and stylish looks the iPhone 3Gs is more than capable of holding its own in the workplace, from tracking parcels to making spreadsheets to even organising your time there is an app for just about everything. So here’s a quick rundown of apps that can make your life more easier and fun at work. 1, Pcalc RPN Calculator First of all let’s start with the basics and it doesn’t get more basic than the need to crunch numbers and this is where Pcalc RPN Calculator comes in. Now I know the iPhone comes…