描述
Careful MathThe elementary literacy knowledge series "Careful Math Mathematics" is a unique book that introduces itself to mental symbols and concepts as a single character. It is possible to meet all the important mathematical symbols and concepts learned at elementary, middle, and high school such as 0, 1, integer, prime, i, equation, function, Pythagorean theorem, sine, cosine, tangent, π, The story of a wonderful and reliable mathematical friends personality is unfolded. A math playground where smart math friends gather! Cute math characters were painted by world famous British artist Simon Basher.