A number of puzzles that have appeared in Problematics over the last three-and-a-half years have involved a magician playing tricks on a gullible audience, sometimes with cards, sometimes with matches ...

We all know that games and fun learning activities are more conducive to meaningful learning experiences and a higher level of students engagement and participation. This is even so with subjects that ...

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Abstract: The construction of the shortest addition chain for a given exponent n, which yields the most efficient method for computing x n in certain multiplicative groups, is vital for enhancing the ...

Find out what your child is learning in Primary 1, and what you can do to support her or him. The primary years are arguably the most important years of your child’s life. The concepts of language, ...

We are all familiar with the rational numbers: a rational number is any number that can be written as $\frac{p}{q}$, where $p$ and $q$ are integers, and $q \neq 0$. A ...

For those who tried (or were even afraid to begin) to learn VEX but failed and stopped because it was too hard. Here you will learn VEX and applied math starting from the basics. From general to ...

This program offers a suite of tools in STATA for implementing difference-in-differences style analyses with staggered treatment onset using the two-way fixed effects approach proposed in Wooldridge ...