Udemy is offering a 30% discount on all of their courses for the duration of April. You can use the code TERPSTRA at checkout to apply the discount.

If you want to learn new skills and concepts on-demand, at your own pace and on an amazing array of devices, Udemy has both master and mini courses on everything from programming to photography. Take a look!

Just take a look at the available courses, and use the coupon code TERPSTRA at checkout.