19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

After 32 years of waiting, mathematicians calculate Dedekind's ninth number, a 42-digit giant that defied logic.

This sprawling wonderland in Springfield, Ohio has become the worst-kept secret among savvy collectors who understand that forty bucks here stretches like a magic accordion, somehow fitting more ...

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...

Are you confident that your company is effectively handling potential customers’ online queries? Think hard. Our research shows that most companies are not responding nearly fast enough. Kristina ...

Abstract: The safe and reliable operation of power systems relies on the intelligent operation and maintenance (O&M) of substations. However, multi-robot collaborative inspection, an essential ...

Abstract: The challenge of maneuvering target tracking lies in the difficulty of handling the uncertainty of target motion types and the uncertainty of maneuvering parameters simultaneously. In this ...

The ninth Dedekind number, then – still undiscovered by 2023, some 32 years after its predecessor was found – was overdue.

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