Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Addis Ababa, December 5, 2025—Ethiopia has unveiled a new national digital platform for its updated Food Composition Table, marking a significant advancement in the country’s effort to modernize ...

Abstract: Control flow is the execution order of individual statements, instructions, or function calls within an imperative program. Malicious operation of control flow (e.g., tampering with normal ...

Abstract: Various studies have considered the reduction in sidelobes when using window functions, and further sidelobe reduction using existing design results is an important perspective. In this ...

America's math education system is outdated and failing to equip students with the essential skills needed for success in today's technology-driven world. With an overemphasis on traditional topics ...

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Sometimes when I use plot_composition() function, I got the problem showing in the figure below, some of the bar is not filled to 100%. As I understand, the relative abundance should be calculated ...

Young students around the world struggle to memorize multiplication tables, but the effort pays off. Cognitive scientists say that learning 6 x 7 and 8 x 9 by heart frees up the brain’s working memory ...

Types of relations: reflexive, symmetric, transitive and equivalence relations. One to one and onto functions, composite functions, inverse of a function. Binary operations. Concept, notation, order, ...