AI & Machine Learning Basics

Estimate a text’s silent reading time at 238 words per minute. Review word counts and the fixed-rate assumption before budgeting a reading session.

Keep tasks, dates, responsibilities, verified sources and learning evidence together with local saving, filtered CSV and JSON backup.

Compare actual lesson quotes using session length, session count, hourly rates, extras and explicit discounts, with labeled line-item costs.

Plan actual study tasks against available sessions, or summarize dated practice minutes and per-task accuracy, including unscored activities.

Build a complete monthly household plan with annual bills and savings, or follow dated transactions to find early shortfalls and extra opening cash needs.

Simple in-browser notepad with auto-save. Write quick notes that persist in your browser. Download as text file. No signup needed.

Compare two observed offers on one explicit shared denominator, with auditable unit prices, differences, and a true tie state.

Estimate appliance kWh and cost by day, week, average month, current calendar month, and year, with an optional regional CO₂ factor.