We’re all looking for ways to improve our efficiency and do better work. Microsoft Excel is one of the best tools to help you succeed, you just have to know how to use it. Now’s a great time to improve your Excel skills and become more proficient in data science because, as we gear up for Black Friday, we’re offering special discounts throughout November. For instance, through November 9th, you can get The Complete Excel, VBA, and Data Science Certification Training Bundle for just $19.97 — an additional $30 off its already discounted price.