Subscribe! Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter, and section. The purpose of posting my free video tutorials is to not only help ...

Learn how to write the equation of a parabola given the focus and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open ...

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...

Objective probability estimates the odds of an event occurring through data analysis. It uses concrete measures instead of guesses to provide a reliable forecast.

Danielle Mallett, a second-grade teacher, looks for a student to show her how to make $1 using only coins on Friday at Stratton Academy of the Arts in Champaign. Danielle Mallett, a second-grade ...

Discover the magic of compounding and why it's important for increasing wealth Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business ...

JANINE: Big crowd in tonight, Jeff. JEFF: Including Bob the superfan. Bob here has never actually seen Jess perform. JANINE: Let’s help him picture her in his head - we can use metaphors and similes.

Homophones are words that sound the same but have different meanings. They also have different spellings. These are some homophones that often confuse people. Narrator: Looks like you're in a heap of ...

MathBench-2025 is a reproducible benchmark framework for evaluating mathematical reasoning in large language models (LLMs). It provides structured datasets, standardized evaluation metrics, ...