If you think you are roughly at A-level, get a quick refresher: * Basic Mathematics by Serge Lang * Calculus Made Easy by Silvanus Thompson Then try a DIY bo

If you think you are roughly at A-level, get a quick refresher: * Basic Mathematics by Serge Lang * Calculus Made Easy by Silvanus Thompson Then try a DIY bootcamp in the spirit of Harvard Math 55. If you are interested in continuous math: * Vector Calculus by Hubbard & Hubbard If you are interested in discrete mathematics and computation: * Logic in Computer Science by Huth & Ryan