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

@agricalc

# william lao

@agricalc · Joined October 2026

### [Show Dev: Agricalc — free science-based agriculture calculators as an offline-first PWA](https://agricalc.hashnode.dev/show-dev-agricalc-free-science-based-agriculture-calculators-as-an-offline-first-pwa?utm_source=hashnode&utm_medium=feed)

Hey devs! I want to share a project I built: Agricalc (https://agricalc.online), a free collection of science-based agriculture calculators. What it does: Covers the full farming cycle — planting, fe

1 min read · [agricalc.hashnode.dev](https://agricalc.hashnode.dev/show-dev-agricalc-free-science-based-agriculture-calculators-as-an-offline-first-pwa?utm_source=hashnode&utm_medium=feed)

[Oct 2](https://hashnode.com/posts/show-dev-agricalc-free-science-based-agriculture-calculators-as-an-offline-first-pwa/6abf68e823f47da5077dd18a)