{
  "name": "Calcuralab",
  "short_name": "Calcuralab",
  "description": "Interactive learning of mathematics and electrical engineering: calculation rules starting from the basics, the derivative and the limit with graphs and intermediate steps (also in the notation of physics and engineering, e.g. v(t)), an exercise simulator with hints, the laws of electrical engineering with simulators, examples and practice, and a mathematics glossary, formulas, calculation rules, branches of mathematics and mathematical models. Also works offline.",
  "lang": "en",
  "dir": "ltr",
  "start_url": "./en/",
  "scope": "./",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#fbfcfe",
  "theme_color": "#fbfcfe",
  "categories": ["education"],
  "icons": [
    { "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "icons/maskable-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
    { "src": "icons/maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" },
    { "src": "icons/favicon.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "any" }
  ],
  "screenshots": [
    { "src": "screenshots/puhelin.png", "sizes": "780x1328", "type": "image/png", "form_factor": "narrow", "label": "Tangent, derivative and the equation of the tangent on a phone" },
    { "src": "screenshots/tyopoyta.png", "sizes": "1280x800", "type": "image/png", "form_factor": "wide", "label": "Graph and calculations side by side" }
  ],
  "shortcuts": [
    {
      "name": "Derivative",
      "short_name": "Derivative",
      "description": "Tangent, difference quotient and derivative function",
      "url": "./en/?aihe=derivaatta",
      "icons": [{ "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png" }]
    },
    {
      "name": "Limit",
      "short_name": "Limit",
      "description": "Limit at a, one-sided limits and continuity",
      "url": "./en/?aihe=raja-arvo",
      "icons": [{ "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png" }]
    },
    {
      "name": "Exercise simulator",
      "short_name": "Exercises",
      "description": "Derivative and limit exercises step by step with hints and graphs",
      "url": "./en/?aihe=tehtavat",
      "icons": [{ "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png" }]
    },
    {
      "name": "Electrical engineering: DC circuits",
      "short_name": "Electrical",
      "description": "Ohm’s law, power, connections and Kirchhoff’s laws with simulators",
      "url": "./en/?aihe=tasavirta",
      "icons": [{ "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png" }]
    },
    {
      "name": "Cheat sheet",
      "short_name": "Cheat sheet",
      "url": "./en/#opi",
      "icons": [{ "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png" }]
    }
  ]
}
