A stash of calculators and study tools for school, homework, and focus sessions — all free, all private, all running right here in your browser.
Full scientific functions — trig, logarithms, powers, and more. Works with your keyboard too.
Add your courses, pick a letter grade, and get a live GPA on the standard 4.0 scale.
Standard 4.0 scale · A+/A = 4.0 down to F = 0.0
Focus in short sprints with built-in breaks — the technique students and professionals use to actually get through the workload.
Focus sessions completed: 0
Convert length, weight, volume, time, and temperature — handy for science and math homework.
Live counts while you write — perfect for hitting an essay's word count or character limit.
🔒 Every tool in the Ash Cave runs 100% in your browser — no servers, no logging, nothing stored or graded. Built by PhantomAsh.