Here is a list of routinely forgotten equations for Business Studies, make sure to memorise them. Equations Total Contribution = Total revenue – Total variable cost Contribution per unit = Selling price per unit – Variable cost per unit or (for total contribution) Contribution per unit x Number of units sold Profit = Total contribution – Fixed cost Break-even Output = Fixed cost / Contribution per unit What do they mean? Contribution is useful for a business to be responsible for a range of products, it allows them to calculate how much money they make on a sale. The Break-even charts… Continue reading Common AS-Level Business Studies Equations
Making a website can have its pitfalls.
When rooting or developing apps on your android, you may need access to the bootloader to install custom roms or recovery menus of your HTC, this is relatively simple compared to some phones, HTC comes with it’s bootloader locked, so in order to unlock it, HTC has a special and useful website, HTCDEV.COM to unlock bootloader and give you a key to unlock it. Unfortunately when unlocking bootloader, you also ‘factory’ reset your phone, so make sure to take a backup using an app, or HTC’s own backup service. Before I begin I should note that unlocking bootloader on your HTC, or… Continue reading Unlocking BOOTLOADER on HTC devices
Were back! and were faster than ever, well over 140% faster to be precise, out with Xampp on windows, in with Ubuntu Webmin! Wait… Webmin isn’t that taboo? Well, yes, it is but its got loads of features and is really easy to do otherwise time consuming tasks that could take minutes and turn that into a couple of seconds, for example, adding a virtual host to apache2 would require FTP and a bit of nifty .txt editing, but with webmin, its a couple of clicks away, practical in the long run, but it does have it’s drawbacks. Plus… Continue reading Bigger, Better, Faster, Stronger?
Using Apache is Good, but for one website is limiting its potential you can create multiple websites, domains and sub-domains with Apache, see below. First you need to stop your server, you can do this on lunix by entering [box type=”shadow”] $ sudo /etc/init.d/apache2 stop [/box] into your terminal, this allows you to make changes to files in your server without breaking it, for windows you need to stop Apache using Xammp, see below. Now Enable Mod_log_config browse here [box type=”shadow”]xamppapacheconf[/box] and in… Continue reading How to Configure Apache to use Virtual Hosts