Scientific Calculator

Calculators REST API MCP

Evaluate a scientific math expression and return the numeric result (12 significant digits). Supports + - * / ^ (or **), parentheses, n!, π (or pi), e, and the functions sin, cos, tan, asin, acos, atan, log (base 10), ln, sqrt (or √), abs, exp. Trigonometry in radians or degrees. Uses a safe parser — no code execution.

This page documents the HTTP endpoint POST /api/tools/scientific-calculator/execute. See the MCP reference →

Call it over REST

POST https://api.findutils.com/api/tools/scientific-calculator/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/scientific-calculator/execute \
  -H "Content-Type: application/json" \
  -d '{
    "expression": "sin(30) + 2^3",
    "angle_unit": "deg"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/scientific-calculator

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument Type Required Description
expression string yes Expression to evaluate, e.g. "sin(30) + 2^3 * (4 - 1)" or "5! / sqrt(16)".
angle_unit string (rad | deg) no Angle unit for sin/cos/tan inputs and asin/acos/atan outputs. Default: "rad".

Example arguments (verified)

{
  "expression": "sin(30) + 2^3",
  "angle_unit": "deg"
}

Also an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:scientific_calculator after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/
Open the MCP reference for Scientific Calculator →

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