I have a FIX for Numeric Keypad under MacOS 15.7 Sequoia

Here's a FIX for the Dead Numeric Keyboard Problem w/ MacOS 15.7 Sequoia: Go to Accessibility in System Preferences, click to enter pointer control, then alternate control methods tab. Uncheck the option "Enable Mouse Keys." Next click to enter Keyboard, under Hardware tab, uncheck the option "Enable Sticky Keys" - Then try to type numbers.

I found that if I toggled "Enable Sticky Keys" it got the numeric keypad working again, and then after I rebooted I toggled it off and the Numeric Keypad was still working, so give it a try.

I actually found this out from the insert included with the new MacCally extended keyboard I just bought, which I can now return. I have 2 older Apple Extended keyboards (wired) and 2 older MacCally Extended keyboards that all stopped working after my latest MacOS Sequoia 15.7 update - just prior to Tahoe release which I will not touch for at least 6 months, if ever... is that too harsh ? NO