RetroCalculator od Jordan Mitchell

RetroCalculator brings the nostalgic charm of classic 80s calculators right into your Firefox toolbar. One click opens a full retro-style calculator — no new tabs, no distractions, just instant calculations with vintage style.

Designed for users who love a touch of retro aesthetics in their daily workflow, RetroCalculator combines simplicity with personality. The interface is rendered in a clean 800×600 popup, keeping everything compact and accessible while you browse.

Features:
- Instant access from the Firefox toolbar — always one click away
- Retro-styled calculator interface with a classic look and feel
- Lightweight and fast — no bloat, no tracking, no ads
- No account or sign-up required
- Fully self-contained popup — does not interfere with your browsing