A verified record of skill assessments I've completed on HackerRank. Each certificate reflects a proctored, timed test of practical ability — not just a course completion badge — so this repo doubles ...

Build an AI-powered financial agent that decides whether a user can safely afford a requested expense. A user may ask: "Can I afford this laptop?" Answering well takes more than the current balance.

Learn how to tackle and solve intermediate database interview challenges through a step-by-step walkthrough of real-world ...

Oil futures are financial contracts that allow participants to buy or sell a specific quantity of oil at a predetermined price on a future date. These contracts serve as an agreement between the buyer ...

We use narrative tenses to talk about the past. We can use them to tell a story or to describe past events, including personal anecdotes. When we tell a story in the past, we often use linking words ...