RT this to be entered to win a copy of the Mathematics 2020 calendar (from which the #dailymaths problems are taken), or a copy of "Power in Numbers: the Rebel Women of Mathematics." Drawing to be held when we reach 13,313 followers (it has two 13s, my favorite prime!). https://abs.twimg.com/emoji/v2/... draggable="false" alt="🤓" title="Nerd face" aria-label="Emoji: Nerd face">

We are getting very close! There will now be three prizes--the Mathematics 2020 calendar, a copy of "Power in Numbers: the Rebel Women of Mathematics," and a copy of either the adult or young reader version of "Hidden Figures." RT the top tweet to be automatically entered.

Almost there! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😃" title="Smiling face with open mouth" aria-label="Emoji: Smiling face with open mouth">

Less than 300 to go!! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😃" title="Smiling face with open mouth" aria-label="Emoji: Smiling face with open mouth">

About 200 to go. Everyone has a very good chance with so few RTs of the top tweet in this thread. https://abs.twimg.com/emoji/v2/... draggable="false" alt="😃" title="Smiling face with open mouth" aria-label="Emoji: Smiling face with open mouth">

Way less than 100 to go now! Can we get this done before June 1? RT top tweet in this thread to be automatically entered. https://abs.twimg.com/emoji/v2/... draggable="false" alt="😃" title="Smiling face with open mouth" aria-label="Emoji: Smiling face with open mouth">