Perform calculations with a basic and scientific calculator, including voice input. Convert currencies with real-time rates for 160+ countries. Calculate mortgage payments and details. Compute taxes, social security contributions, and net income.
Review cards using spaced repetition based on the Ebbinghaus forgetting curve. Set custom review schedules and pause plans for specific goals. Highlight text, hide key terms, and create math formulas in cards. Organize with folders, tags, and colors.
Track work hours and overtime with a calendar view. Calculate daily wages by inputting hourly rate and duration. Save records locally for review. Add notes for job details. No registration required. Works offline with minimal data usage.