Derivative & Integral Calculator

The same endpoint powers the form above. Send JSON, get JSON — no key, no signup.

curl -sX POST 'https://itsfully.online/backend/connector-api.php?action=execute' \
  -H 'Content-Type: application/json' \
  -d '{"tool":"derivative-integral-calculator","data":{ /* see input fields above */ }}'

This tool runs entirely in your browser runtime. No API key, no server round-trip. Fetch the manifest, import the module, call the function.

// 1. Fetch the manifest
const manifest = await fetch('https://itsfully.online/api/manifest.json').then(r => r.json());

// 2. Find this tool
const tool = manifest.categories
  .flatMap(c => c.tools)
  .find(t => t.apiName === 'derivative-integral-calculator');

// 3. Import and execute
const mod = await import('https://itsfully.online' + tool.clientModule);
const result = await mod['FrontendTools.execute']({ /* input */ });

Parameters accepted by this tool:

[
    {
        "type": "text",
        "name": "expression",
        "label": "Expression",
        "placeholder": "e.g. x^2 + 2*x + 1",
        "required": true
    },
    {
        "type": "number",
        "name": "x_value",
        "label": "At X =",
        "default": 0
    },
    {
        "type": "number",
        "name": "lower_bound",
        "label": "Lower Bound (for integral)",
        "default": 0
    },
    {
        "type": "number",
        "name": "upper_bound",
        "label": "Upper Bound (for integral)",
        "default": 1
    }
]

/common/frontend-tools.js

Dynamic import this path from your agent runtime. No npm install, no bundler required.