Design a Inverse t Distribution Calculator in Tailwind CSS
This project is an Inverse t-distribution Calculator implemented using HTML, CSS (Tailwind CSS), and JavaScript. It allows users to calculate the inverse t-distribution for the given probability (p) and degrees of freedom (DOF).
Prerequisites / Technologies Used:
- HTML
- CSS (Tailwind CSS)
- JavaScript
Approach / Functionalities
The Inverse t-Distribution Calculator provides the following functionalities:
- Input fields for probability (p) and degrees of the freedom (DOF).
- “Calculate” button to compute the inverse t-distribution value.
- “Clear” button to reset the input fields and result.
- Validation to ensure valid input values.
- Display of computed result.
Steps to Create & Configure the Project
- Create an HTML file for user interface layout.
- Include Tailwind CSS for styling.
- Implement JavaScript functions to calculate the inverse t-distribution.
- Use the jStat library for the statistical calculations.
- Structure the HTML elements for the input fields and result display.
- Add event listeners to trigger calculations and clear fields.
- Validate input values to ensure they are within the acceptable ranges.
Example : The HTML document presents a web-based Inverse t-Distribution Calculator, styled with Tailwind CSS. Users can input probability (p) and degrees of freedom (DOF) to calculate the inverse t-distribution.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < title >The Inverse t-Distribution Calculator</ title > < link href = "https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel = "stylesheet" > </ head > < body class = "bg-gray-100" > < h1 class="text-center text-3xl font-bold my-8"> Inverse t-Distribution Calculator </ h1 > < div class="max-w-md mx-auto border border-green-500 p-8 rounded-lg shadow-md"> < form class = "mb-6" > < div class = "mb-4" > < label for = "prob" class = "block text-gray-700" > Probability (p): </ label > < input type = "number" id = "prob" step = "0.01" min = "0" max = "1" class="w-full px-4 py-2 border rounded-md focus:outline-none focus:border-blue-500"> </ div > < div class = "mb-4" > < label for = "dof" class = "block text-gray-700" > Degrees of Freedom (DOF): </ label > < input type = "number" id = "dof" class="w-full px-4 py-2 border rounded-md focus:outline-none focus:border-blue-500"> </ div > < div class = "flex justify-center space-x-4" > < button type = "button" onclick = "inverseT()" class="w-1/2 bg-green-500 text-white py-2 px-4 rounded-md hover:bg-green-600 focus:outline-none focus:bg-green-600"> Calculate </ button > < button type = "button" onclick = "clearFields()" class="w-1/2 bg-gray-500 text-white py-2 px-4 rounded-md hover:bg-gray-600 focus:outline-none focus:bg-gray-600"> Clear </ button > </ div > </ form > < div id = "result" class="text-center font-bold text-lg text-green-500"> </ div > </ div > < script src = "https://cdnjs.cloudflare.com/ajax/libs/jstat/1.7.1/jstat.min.js" > </ script > < script > function fun(p, DOF) { if (p < 0 || p > 1) { return "Probability value (p) must be between 0 and 1."; } const result = jStat.studentt.inv(p, DOF); return result; } function inverseT() { const probInput = document.getElementById("prob"); const DOF = document.getElementById("dof"); const ans = document.getElementById("result"); const prob = parseFloat(probInput.value); const dof = parseInt(DOF.value); if (!prob || !dof) { ans.textContent = "Please enter both probability and degrees of freedom."; return; } const inverseT = fun(prob, dof); if (typeof inverseT === 'number' && !isNaN(inverseT)) { ans.textContent = `Inverse t-distribution for p=${prob} and DOF=${dof}: ${inverseT}`; } else { ans.textContent = inverseT; } } function clearFields() { document.getElementById("prob").value = ""; document.getElementById("dof").value = ""; document.getElementById("result").textContent = ""; } </ script > </ body > </ html > |
Output :
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