This a progressive web app that simulates the venerable HP 15C calculator.

The app is available as https://hp15c.elf.org.

Built with the https://github.com/Polymer/pwa-starter-kit using https://polymer-project.org.

To build you'll need to: [ ] install nodejs and npm, [ ] may need to install polymer-cli as a global npm app consult the pwa-starter for better details [ ] run "npm install" in the top level directory [ ] at this point you should be able to run "polymer serve" in the top level directory and open the web app in your browser at http://localhost:8081

To build build, run "npm run build" in the top-level directory to make static images in build/ and a prpl-server suite of images in server/ for differential serving.