Maths on the Back of an Envelope: Clever Ways to (Roughly) Calculate Anything
![]() | paperback Category: Philosophy Of Mathematics Category: Mathematical Foundations Category: Mathematical Logic Category: History Of Mathematics Category: Mathematical Physics HarperCollins Publishers Fastbooks book price: 12.78 EUR (price updated on 30.01.2026) Free delivery to EU countries (and more) more Reader's comments and book reviews: Amazon |




















