---
title: "Zayed (@zayed-clearcalc) | Hashnode"
description: "Zayed (@zayed-clearcalc) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@zayed-clearcalc"
---

@zayed-clearcalc

# Zayed

@zayed-clearcalc · Joined November 2026

### [Reverse sales tax: how to find the pre-tax price from a receipt total (with JavaScript)](https://clearcalc-notes.hashnode.dev/reverse-sales-tax-how-to-find-the-pre-tax-price-from-a-receipt-total-with-javascript?utm_source=hashnode&utm_medium=feed)

Disclosure: I'm Zayed and I build ClearCalc Tools, a free calculator site. This post explains the math behind one of its features. A very common mistake when you want the price before tax is to subtra

2 min read · [clearcalc-notes.hashnode.dev](https://clearcalc-notes.hashnode.dev/reverse-sales-tax-how-to-find-the-pre-tax-price-from-a-receipt-total-with-javascript?utm_source=hashnode&utm_medium=feed)

[2d ago](https://hashnode.com/posts/reverse-sales-tax-how-to-find-the-pre-tax-price-from-a-receipt-total-with-javascript/6af53fe7c449419ead83e895)