Live calculation
Change the labeled inputs and inspect the named results immediately.
Operations
Batch Yield
Understand unit output and batch cost.
Account for material loss when estimating usable units and their effective unit cost.
Try Batch YieldExplore Batch Yield.
Run the actual app in desktop or phone view.
Fictional example data. Change it, try the features and reset the preview. Your download uses these same files, with an empty starting workspace.
A useful tool for your day.
People building a focused operations app for their own project or business.
Transparent formula
Account for material loss when estimating usable units and their effective unit cost.
Saved scenarios
Save named scenarios locally and compare their results.
Portable backup
Export and restore versioned JSON; no external services are required.
What you receive.
- The working local browser app
- Editable HTML, CSS and JavaScript files
- Setup, editing and backup instructions
- A licence for your own project or business
Your purchase and download live in your Neptox.app account.
How it runs
Serve the files with a static HTTP server or your own HTTPS hosting. Your guide includes a simple local command. No build tools are required.
Your data stays with you
App records are saved in this browser. Export backups regularly. They do not sync between devices.
Scope
A local browser app template with editable HTML, CSS and JavaScript. No hosted backend, team login, external integrations or cloud sync is included. Results are planning estimates, not financial, legal or tax advice. Hosting, customisation and ongoing support are separate.
A few useful answers.
Is this a hosted service?
No. You download the files and run them locally or on your chosen static host. Your shop account is for purchases and downloads.
Can I use it on my phone?
Yes, through an HTTP or HTTPS host your phone can open. The interface is responsive. Records stay on that device’s browser.
Can I change the design or code?
Yes. The editable HTML, CSS and JavaScript source is included. You can adapt it for your own project or business.
How do I back up my records?
Use Export backup inside the app to save a JSON file. Import it into the same app when you need to restore your data.