Math & Numbers

Dimensional Analysis Unit Cancellation Tutor

Step-by-step factor-label unit cancellation with inverted-factor diagnosis and optional student-answer checking.

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/dimensional-analysis-unit-cancellation-tutor' \
  -H 'Content-Type: application/json' \
  -d '{"startValue":2.5,"startUnit":"mi","targetUnit":"m","factors":"1 mi = 1609.344 m","studentGuess":4023.36,"precision":2,"strictUnits":false}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/dimensional-analysis-unit-cancellation-tutor

Parameters

Name	Type	Required	Description
startValue	number	Yes	—
startUnit	text	Yes	—
targetUnit	text	Yes	—
factors	textarea	Yes	—
studentGuess	number	No	—
precision

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-dimensional-analysis-unit-cancellation-tutor": {
      "name": "dimensional-analysis-unit-cancellation-tutor",
      "description": "Step-by-step factor-label unit cancellation with inverted-factor diagnosis and optional student-answer checking.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=dimensional-analysis-unit-cancellation-tutor",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "dimensional-analysis-unit-cancellation-tutor",
    "arguments": {
  "startValue": 2.5,
  "startUnit": "mi",
  "targetUnit": "m",
  "factors": "1 mi = 1609.344 m",
  "studentGuess": 4023.36,
  "precision": 2,
  "strictUnits": false
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

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