How to calculate late-night and overtime hours in Excel attendance sheets: Pitfalls of overnight shifts, 15-minute rounding, and exceeding 24 hours

Suppose that at the end of the month, you enter your start time, end time, and break time into an Excel attendance sheet ...

[AI Weekly News] For those who want to catch up on overseas AI news all at once | Explaining the 3 new models: Opus 5.5, GPT-6 Sol, and Grok 4.7, plus the trending n…

IntroductionThis week was a high-information week, with three new AI models appearing and Meta's announcement event ...