{
    "lang": "en", 
    "name": "3D Graphing Calculator",
    "description": "Online 3D function graphing calculator with heatmap and coordinates.",
    "short_name": "Graphing Calculator",
    "icons": [{
      "src": "/assets/graph.png", 
      "sizes": "512x512",
      "type": "image/webp"
    },{
      "src": "/assets/graph.png", 
      "sizes": "512x512"
    }, {
      "src": "/assets/graph.png",  
      "sizes": "512x512"
    }],
    "scope": "/graph3D/",
    "start_url": "/graph3D/", 
    "display": "fullscreen", 
    "orientation": "landscape", 
    "theme_color": "black", 
    "background_color": "black", 
    "screenshots": [{
      "src": "/assets/ss/3d.png", 
      "type": "image/png"
    }]
  }