Is numbers available apple users only

You can use Numbers for iCloud.

Use Numbers on iCloud.com - Apple Support

It does not have all the features of Numbers for Mac or Numbers for iOS/iPadOS but non-Apple users can use it via a web browser.

SG

Not sure what you want an example of.

In your browser try going to icloud.com and signing up for an account if you don't already have one.

Then sign in to your account and look for Numbers for iCloud.

SG