Universal Math Solver (Auto-fill Answers)

Automatically solves math problems and fills in the answer fields
当前为 2025-05-07 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Universal Math Solver (Auto-fill Answers)
// @namespace    http://yourdomain.com/
// @version      1.1
// @description  Automatically solves math problems and fills in the answer fields
// @author       You
// @match        *://mathspace.co/*  // Modify this with the correct URL for Mathspace or any other site
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Include the math.js library from a CDN
    const script = document.createElement('script');
    script.src = 'https://cdnjs.cloudflare.com/ajax/libs/mathjs/10.0.0/math.js';
    script.onload = () => {
        console.log('math.js library loaded');
    };
    document.body.appendChild(script);

    // Function to solve math problems
    function solveMathProblem(problem) {
        try {
            if (problem.startsWith("solve")) {
                // Solve equations like 2x + 3 = 7
                let expr = problem.replace("solve", "").trim();
                let [lhs, rhs] = expr.split("=");
                let equation = math.parse(lhs + '-' + rhs);  // Create an equation
                let solution = math.solve(equation, 'x');  // Solve for x
                return solution[0]; // Return first solution (can be extended for multiple solutions)
            } else if (problem.startsWith("simplify")) {
                // Simplify expressions
                let expr = problem.replace("simplify", "").trim();
                let simplified = math.simplify(expr);
                return simplified.toString();
            } else {
                return "Unsupported problem type.";
            }
        } catch (e) {
            return `Error: ${e}`;
        }
    }

    // Function to fill the answer box on the page
    function fillAnswerBox(answer) {
        const answerBox = document.querySelector('input[type="text"], textarea');  // Adjust selector if necessary
        if (answerBox) {
            answerBox.value = answer;  // Fill the answer box with the solution
            answerBox.dispatchEvent(new Event('input'));  // Trigger input event to update the UI (if required)
            console.log(`Filled the answer box with: ${answer}`);
        } else {
            console.log("Answer box not found.");
        }
    }

    // Example usage: Automatically solve and fill the answer for the problem
    const problem = "solve 2*x + 3 = 7"; // Modify to match the actual problem you want to solve
    const answer = solveMathProblem(problem);
    fillAnswerBox(answer);
})();
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