This reminds me of All the Mathematics You Missed (But Need to Know for Graduate School), which is a nice brief introduction to various undergrad maths topics

This reminds me of All the Mathematics You Missed (But Need to Know for Graduate School), which is a nice brief introduction to various undergrad maths topics https://www.amazon.co.uk/All-Mathematics-You-Missed-Graduate/dp/0521797071 https://www.amazon.co.uk/All-Mathematics-You-Missed-Graduate...