I remember using something similar called "Mathematics Handbook for Science and Engineering" in university. https://www.amazon.co.uk/Mathematics-Handbook-Scienc

I remember using something similar called "Mathematics Handbook for Science and Engineering" in university. https://www.amazon.co.uk/Mathematics-Handbook-Science-Engineering-Lennart/dp/3540211411 https://www.amazon.co.uk/Mathematics-Handbook-Science-Engine... I assume there are many others, and this is a free alternative.