REELORAMA on Instagram: "- The post shares a humorous 47-second video of a college student using a manual typewriter for note-taking in a physics lecture, loudly clacking keys to comply with a no-laptop rule, eliciting laughter from classmates and an amused glance from the professor. - Uploaded on October 11, 2025, by @itsme_urstruly—a positivity and humor curator—it amassed 99,000 likes and 4.4 million views within days, resonating as a lighthearted nod to analog ingenuity amid digital restrict

Naman Pal on Instagram: "The Josephus Problem is one of the most fascinating puzzles in math & computer science. 🌀 Imagine this: 100 people stand in a circle. Starting from person 1, each person eliminates the one next to them. This continues round and round… until only one survivor is left. 😨 Now here’s the mind-blowing part → Instead of simulating the whole process, math gives us a direct formula to find the last survivor. For k = 2 (kill next person): 1. Write the number of people in binary

Dependent Dropdown List in Excel | Step-by-Step Tutorial Using Data Validation + INDIRECT Function