A versatile word problem calculator that handles various equations and unknowns
// ==UserScript==
// @name Comprehensive Word Problem Calculator
// @namespace http://tampermonkey.net/
// @version 4.5
// @description A versatile word problem calculator that handles various equations and unknowns
// @author Your Name
// @match https://easybridge-dashboard-web.savvaseasybridge.com/dashboard/student?ssoLogin=true
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
function wordProblemCalculator() {
const problem = prompt("Enter a word problem (e.g., 'What number is 100 less than 765?'). You can also type 'div' for division:").toLowerCase();
let result;
// Normalize "div" to "divided by"
const normalizedProblem = problem.replace(/\bdiv\b/g, 'divided by');
// Handle "What number is X less than Y"
if (problem.includes("what number is") && problem.includes("less than")) {
const numbers = problem.match(/\d+/g);
if (numbers && numbers.length >= 2) {
const lessAmount = parseFloat(numbers[0]); // The amount to subtract
const total = parseFloat(numbers[1]); // The number to subtract from
result = total - lessAmount; // Perform the subtraction
} else {
alert("Could not find enough numbers.");
return;
}
}
// Handle missing value (e.g., 10 + 30 = ?)
else if (normalizedProblem.includes("=") || normalizedProblem.includes("?")) {
const parts = normalizedProblem.split('=');
const leftSide = parts[0].trim();
const rightSide = parts[1] ? parts[1].trim() : '';
// Check for unknown value on the left side
if (rightSide === '?' || rightSide === '') {
const matches = leftSide.match(/(\d+)\s*([-+x*/]|divided by)\s*(\d+)/);
if (matches) {
const num1 = parseFloat(matches[1]);
const operation = matches[2];
const num2 = parseFloat(matches[3]);
switch (operation) {
case "+":
result = num1 + num2;
break;
case "-":
result = num1 - num2;
break;
case "x":
case "*":
result = num1 * num2;
break;
case "divided by":
case "/":
if (num2 !== 0) {
result = num1 / num2;
} else {
alert("Cannot divide by zero.");
return;
}
break;
default:
alert("Could not understand the operation.");
return;
}
} else {
alert("Could not understand the equation.");
return;
}
}
// Check for unknown value on the right side
else if (leftSide.includes("?")) {
const matches = rightSide.match(/(\d+)/);
if (matches) {
const total = parseFloat(matches[1]);
const operation = leftSide.includes('+') ? '+'
: leftSide.includes('-') ? '-'
: leftSide.includes('*') ? '*'
: leftSide.includes('/') ? '/'
: leftSide.includes('divided by') ? 'divided by'
: null;
const numMatches = leftSide.match(/(\d+)/g);
if (numMatches && numMatches.length === 2) {
const num1 = parseFloat(numMatches[0]);
const num2 = parseFloat(numMatches[1]);
switch (operation) {
case "+":
result = total - num1; // Solve for "?"
break;
case "-":
result = num1 - total; // Solve for "?"
break;
case "*":
result = total / num1; // Solve for "?"
break;
case "/":
case "divided by":
result = num1 * total; // Solve for "?"
break;
default:
alert("Could not understand the operation for unknown value.");
return;
}
}
} else {
alert("Could not find enough numbers for the equation.");
return;
}
}
else {
alert("Could not understand the equation format.");
return;
}
}
// Handle standard operations (basic arithmetic)
else {
const matches = normalizedProblem.match(/(\d+)\s*([-+x*/]|divided by)\s*(\d+)/);
if (matches) {
const num1 = parseFloat(matches[1]);
const operation = matches[2];
const num2 = parseFloat(matches[3]);
switch (operation) {
case "+":
result = num1 + num2;
break;
case "-":
result = num1 - num2;
break;
case "x":
case "*":
result = num1 * num2;
break;
case "divided by":
case "/":
if (num2 !== 0) {
result = num1 / num2;
} else {
alert("Cannot divide by zero.");
return;
}
break;
default:
alert("Could not understand the operation.");
return;
}
} else {
alert("Could not understand the word problem.");
return;
}
}
alert(`The result of the problem is: ${result}`);
}
// Run the calculator
wordProblemCalculator();
})();