Here is a 3-paragraph summary for mathopen.com:
Double Maths First Thing is a newsletter written by Colin, a mathematician with a passion for making math fun and accessible. His goal is simple: find the joy in mathematics, puzzles, and problem-solving, then share it with as many people as possible. Issue 6F carries his signature enthusiastic and lighthearted tone, describing itself as "a bit chaotic" right from the start.
Colin covers a mix of mathematical topics, puzzles, and working-through-problems content that appeals to curious minds at various levels. His approach is conversational and engaging, making even complex ideas feel approachable and enjoyable rather than intimidating.
Beyond writing, Colin also works directly with students as a math tutor and mentor. He mentions that he expects to have openings for new students in the coming months, making this a great opportunity for anyone looking for personalized guidance from someone who genuinely loves the subject.