Abstract: In this paper, we give a fast decryption method of Excel document encrypted by RC4 algorithm. Through a detailed analysis of document storage structure and encryption process, we illustrate ...

It’s hard to ignore the seismic shifts brought about by algorithm-driven content. Every time you scroll through your social media feed or check your favorite news app, algorithms are diligently at ...

Personalized algorithms may quietly sabotage how people learn, nudging them into narrow tunnels of information even when they start with zero prior knowledge. In the study, participants using ...

An Excel VBA implementation of the Simulated Annealing metaheuristic optimisation algorithm, built as a 2nd Year Industrial Engineering project at Stellenbosch University (2022). The Simulated ...

Learn how recommendation algorithms, streaming recommendations, and social media algorithms use content recommendation systems to deliver personalized recommendations. Pixabay, TungArt7 From movie ...

Instagram is introducing a new tool that lets you see and control your algorithm, starting with Reels, the company announced on Wednesday. The new tool, called “Your Algorithm,” lets you view the ...

If the total amount is around 100 yen, it is not a big deal, but if it reaches 10,000 yen, Excel will freeze. Here is the code. =LAMBDA(total, coins, LET( _1_, "合計金額 total", _t, total, _2_, "硬貨の種類 ...

Autumn is deepening, and even in Okinawa, the early mornings have become cool. How is everyone doing? I've been a bit busy and haven't been able to set aside time for Excel fun... Just then, this ...

Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price. Unhappy with their meager profits, they meet one night in a ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...