A mathematical language for juggling We have all seen, at least once in our life, a juggler tossing balls in the air. Why is that so impressing at our eyes? Despite having just two hands, any respectable juggler can juggle three balls at the same time. Considering for simplicity that one can handle one ball for each hand, how […]

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## Parent-teacher conference with a math...

The only experience that is worse than the annual condo meeting or queuing up at the post office is, probably, the parent-teacher conference. It's an ordeal for the parents, forced to wait a long time. It's cause of panic for the students, who are afraid that their parents may be mad at them. But, I […]