Infinitesimal calculus! Sure, Ronnie, I get it. Looks great, anyway. I lied, I don't get it but I love that you do. xxx
Prettiest and most interesting Calculus book I have ever seen!!!!!
oh, ronnie, this is pure fun. i love LOVE it! absolutely.
It definitely attracted me ronnie, it looks wonderful!
my paternal grandfather did "recreational calculus" [he was Proferssor Emeritus, Mathematics]. i understand this sort MUCH better
thanks for all your lovely comments - your words are greatly appreciated xx