{
  "name": "Calculator200.com",
  "short_name": "Calc200",
  "description": "200+ free online calculators for math, finance, health and science",
  "start_url": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "theme_color": "#1a5276",
  "background_color": "#ffffff",
  "categories": ["utilities", "finance", "health", "education"],
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable any" }
  ],
  "screenshots": [
    { "src": "/screenshot-desktop.png", "sizes": "1280x720", "type": "image/png", "form_factor": "wide" },
    { "src": "/screenshot-mobile.png",  "sizes": "390x844",  "type": "image/png", "form_factor": "narrow" }
  ]
}