I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

BANGKOK (AP) — Japan's Nikkei 225 index closes down 5.2% and South Korea's benchmark Kospi falls 6% as higher oil prices spur selling.

Mumbai: In a major push to strengthen Mumbai’s transport network, Maharashtra Chief Minister Devendra Fadnavis announced a major expansion of Mumbai Metro Line 11 in the state budget for 2026–27 ...

On Thursday, OpenAI released GPT-5.4, a new foundation model billed as “our most capable and efficient frontier model for professional work.” In addition to the standard version, GPT-5.4 is also ...

The AI updates aren't slowing down. Literally two days after OpenAI launched a new underlying AI model for ChatGPT called GPT-5.3 Instant, the company has unveiled another, even more massive upgrade: ...