Just Calculator ;)

Simple, but powerful calculator in popup window

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "default_locale": "ru",
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "permissions": [],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "version": "1.1",
  "browser_action": {
    "default_icon": "icon19.png",
    "default_title": "__MSG_name__",
    "default_popup": "popup.html"
  },
  "icons": {
    "19": "icon19.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}