Student tools

Evaluate arithmetic and common scientific expressions in the browser.

AI walkthroughs for linear and quadratic equations — verify every step.

Add, subtract, multiply, and divide fractions; auto-simplifies.

Percent of a number, reverse percent, and percent change.

Count words, characters, sentences, and paragraphs.

Format APA, MLA, Chicago, and Harvard citations from fields you enter.

Weighted 4.0-scale GPA from letter grades and credit hours.

Weighted class average and final-exam “what if” scores.

Pomodoro-style focus and break intervals in the browser.

Length, mass, temperature, volume, speed, area, and time.