Backslash extensionCalculator
Math as you type in the search: + - * / % ^, parentheses, sqrt, sin, ln, pi and implicit multiplication like 2pi or 3(4+1). Open it from Backslash, the keyboard-first launcher for Linux, with Super + Space.
Commands
CalculatorType 12*(3+4), sqrt(2)/2 or 2pi in the search: the result shows on top
More everyday extensions
P
Public HolidaysUpcoming public holidays of your country with countdowns, French school holidays by zone, and the bridge days worth taking off
PPublic TransportNext departures from your stops with real-time delays and disruptions, and journeys with changes and CO₂, for SNCF trains, Île-de-France and French networks (Navitia)
RRandomFlip a coin, roll dice, draw a number, pick or shuffle from a list, get a color or ask the Magic 8-Ball
RRedditHot, new and top posts from your subreddits with scores, comments, flairs, pictures and the top comments, without an account
SSpace LaunchesUpcoming and recent rocket launches with a T-minus countdown, status, rocket, mission, orbit, pad and webcasts, and spaceflight events like dockings and spacewalks, from Launch Library 2
SSports ScoresFootball scores live and today, standings and your teams' next matches (football-data.org), Formula 1 weekends, results and standings, and NBA scores