🧰 Calculators & Tools

Everyday utilities for calculations, planning, vehicles, productivity, and reference.

Touch keypad, history, graphs, derivatives, integrals, equations, matrices, NPV, and IRR.

Scientific, Finance, Health, Dates, and Engineering modes (Production, Electrical, Physics, and Chemistry).

Dashboard with My Toolz visit counts and access metrics.

Integrated planning: mark vacations and work arrangements directly on the calendar.

Compare cars by TCO (total cost of ownership) and efficiency.

Calculate your EV’s charging time.

While charging, calculate the time remaining to a target charge (%), range (km), or energy level (kWh).

Manage tasks in columns, saved in your browser.

A supporting tool for tracking a seven-hour workday.

A searchable catalog of useful links.

Essential Windows keyboard shortcuts.

Calculate emissions from industrial fuels.

Don Camillo vs. Venga: randomly choose where to eat today.

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