iOS Alarm Sound Evolution #apple #iphone #ios #alarm #sound #evolution

Laser Security System using BC547 Transistor and LDR #security #diy

Air Raid Siren Sound Effect 🚨 Realistic Emergency Warning (1:20)

Mastering Excel: The Secret to Perfectly Fitting Data #exceltips #excel #mexcel #exceltutorial

In this lesson, we’re talking all about GPA, Grade Point Average, and why the “highest GPA” can look different from school to school. Some schools use a traditional 4.0 scale, while others use weighted GPAs for honors, AP, IB, or advanced classes that can push students above a 4.0… sometimes even to a 5.0 or higher. Some students online are even claiming GPAs as high as 7.0. We also discuss academic honors like valedictorian and salutatorian, what those titles mean, and how schools rank students