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Arithmetic, finance and programming modes in one app

Integration with visible input, steps and graphs

A searchable catalogue of calculations and conversions

Air-travel carbon estimates with a published methodology

A maintained HP-42S calculator simulator

Visual calculator forms with custom price rules

Graph equations, inspect points and evaluate functions

Equations explored through graphs and symbolic methods

Copy text from a selected screen region

A free shared teaching and collaboration canvas with video, screen sharing, and equation tools.

Record a screen region and edit it into an animation or video.

Deploy full-stack Next.js and Angular apps from GitHub onto Google's managed web infrastructure.

Self-hosted team messenger with chat, meetings, screen sharing, and a free small-team license.

AI demo platform for interactive demos, screen recordings, and SOP guides

Screen recorder with editing tools for Mac, Windows and the web

AI interview assistant that listens to live interviews and shows private answer suggestions.

Record and share screen and camera videos from browser, desktop or mobile.

An Android calculator with scientific mode and history

Capture webpages or record screen-and-camera explanations, with local and cloud storage.

Turns raw screen recordings into videos, guides and searchable knowledge.

Engineering formula calculators by discipline

Enter text through an adaptable on-screen keyboard

WordPress forms for estimates, payments, and front-end submissions

An iPad-first tutoring board that saves lessons as A4 pages in a book for each student.