Udemy August sale

Udemy just started one of the large sales of the year. Prices for courses are at a minimum right now; it doesn't get any better. If you buy one of our courses, please use the referral links below. At other times, outside of low-price sale campaigns, you can always use...

Udemy May sales

Udemy has just started their largest $9.99 sales of the year. It is a perfect opportunity to complete your collection of ours courses. If you want to be extra kind to us (the instructors), please, use the following links when purchasing our courses: Precalculus 1:...

“Precalculus 4: Exponentials and Logarithms” is out

Today we published the fourth and last in the series of courses on precalculus on Udemy. You can find the outline to the course here. To get the best possible price (and give us here the most possible joy), use one of the following to links (which one turns out...

Udemy’s New Year sale

Udemy has an ongoing sale until January 5, with their best prices ever. If you use our links below, you still get that super low price, but it's better for us, too. All Udemy courses come with a no-questions-asked 30-day money-back guarantee, so no need to hesitate....

Black Friday Sales on Udemy

The yearly Black Friday sales on Udemy started today. Now all prices are as low as they'll ever be, so grab the chance and stock up on courses for the winter. When you do, it would be absolutely great for us if you'd use our referral codes, which are baked into the...

New course: Precalculus 3

Our latest course, Precalculus 3: Trigonometry, is now live on Udemy. It's 52 hours of very exciting content about triangles and stuff. No, seriously, this is a big course, full of content, and with lots of solved problems. It will give you a very solid understanding...

Our current referral links on Udemy

If you want to be kind to us and make it easier for us to create *more* courses, please share this message, and (if you want to purchase some of our courses) use our referral links (in the comments), because it gives us more income than in case of purchases directly...

New course images

We had to change all our course images on Udemy due to (I think) new rules. All those math symbols weren't acceptable, so we had to make the images really simple. Probably for the best, I have to admit. Old images to the left, new images to the right.