---
title: "Waqas Solangi (@globaltools) | Hashnode"
description: "Explore high-quality web tools for SEO checking, fitness calculations, and more. Read the latest articles by Waqas Solangi on Hashnode."
url: "https://hashnode.com/@globaltools"
---

@globaltools

# Waqas Solangi

@globaltools · Pakistan · Joined July 2026

Explore high-quality web tools for SEO checking, fitness calculations, and more.

[Website](https://globaltoolsbox.blogspot.com/)

### [How to Solve Missing Ratios and Proportions Programmatically in JavaScript](https://globaltoolsbox.hashnode.dev/how-to-solve-missing-ratios-and-proportions-programmatically-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn how to calculate missing ratio values and proportions in Vanilla JavaScript using a fast, client-side algorithm.

2 min read · [globaltoolsbox.hashnode.dev](https://globaltoolsbox.hashnode.dev/how-to-solve-missing-ratios-and-proportions-programmatically-in-javascript?utm_source=hashnode&utm_medium=feed)

[Sep 8](https://hashnode.com/posts/how-to-solve-missing-ratios-and-proportions-programmatically-in-javascript/6aa00bcb053420e3c0370670)

### [Building a Lightweight Loan EMI Calculator in Vanilla JavaScript](https://globaltoolsbox.hashnode.dev/building-a-lightweight-loan-emi-calculator-in-vanilla-javascript?utm_source=hashnode&utm_medium=feed)

Learn how to build a client-side Loan EMI Calculator using Vanilla JavaScript to estimate monthly installments and total interest instantly.

1 min read · [globaltoolsbox.hashnode.dev](https://globaltoolsbox.hashnode.dev/building-a-lightweight-loan-emi-calculator-in-vanilla-javascript?utm_source=hashnode&utm_medium=feed)

[Sep 3](https://hashnode.com/posts/building-a-lightweight-loan-emi-calculator-in-vanilla-javascript/6a994a1f6767d610b6a66c88)

### [How to Build a Standard Deviation Calculator in Vanilla JavaScript](https://globaltoolsbox.hashnode.dev/how-to-build-a-standard-deviation-calculator-in-vanilla-javascript?utm_source=hashnode&utm_medium=feed)

Learn how to build a fast, client-side standard deviation calculator in vanilla JavaScript without any external framework or math libraries.

12 min read · [globaltoolsbox.hashnode.dev](https://globaltoolsbox.hashnode.dev/how-to-build-a-standard-deviation-calculator-in-vanilla-javascript?utm_source=hashnode&utm_medium=feed)

[Sep 1](https://hashnode.com/posts/how-to-build-a-standard-deviation-calculator-in-vanilla-javascript/6a96bb70fddfe30ac2b1dfb4)

### [How to Calculate Ovulation & Fertile Windows Using Client-Side JavaScript](https://globaltoolsbox.hashnode.dev/how-to-calculate-ovulation-fertile-windows-using-client-side-javascript?utm_source=hashnode&utm_medium=feed)

Learn how to build a client-side JavaScript ovulation & fertile window calculator widget with accurate cycle math and zero dependencies.

2 min read · [globaltoolsbox.hashnode.dev](https://globaltoolsbox.hashnode.dev/how-to-calculate-ovulation-fertile-windows-using-client-side-javascript?utm_source=hashnode&utm_medium=feed)

[Aug 30](https://hashnode.com/posts/how-to-calculate-ovulation-fertile-windows-using-client-side-javascript/6a93d80c86efe9dab4fbbf0f)

### [How to Build a Dynamic Hashtag Generator in JavaScript (Step-by-Step)](https://globaltoolsbox.hashnode.dev/how-to-build-a-dynamic-hashtag-generator-in-javascript-step-by-step?utm_source=hashnode&utm_medium=feed)

Generate viral and trending hashtags for Instagram, TikTok, and Twitter instantly with our free online Hashtag Generator tool.

1 min read · [globaltoolsbox.hashnode.dev](https://globaltoolsbox.hashnode.dev/how-to-build-a-dynamic-hashtag-generator-in-javascript-step-by-step?utm_source=hashnode&utm_medium=feed)

[Aug 23](https://hashnode.com/posts/how-to-build-a-dynamic-hashtag-generator-in-javascript-step-by-step/6a8ac3f86ee78981133562fa)