Numlock Off for Mac

numoff.sh

#!/bin/sh
# This makes OS X treat numpad 1-9 as if NumLock is off.
# Reference: https://developer.apple.com/library/archive/technotes/tn2450/_index.html
hidutil property --set '{"UserKeyMapping":[
{"HIDKeyboardModifierMappingSrc":0x700000059,"HIDKeyboardModifierMappingDst":0x70000004D},
{"HIDKeyboardModifierMappingSrc":0x70000005A,"HIDKeyboardModifierMappingDst":0x700000051},
{"HIDKeyboardModifierMappingSrc":0x70000005B,"HIDKeyboardModifierMappingDst":0x70000004E},
{"HIDKeyboardModifierMappingSrc":0x70000005C,"HIDKeyboardModifierMappingDst":0x700000050},
{"HIDKeyboardModifierMappingSrc":0x70000005E,"HIDKeyboardModifierMappingDst":0x70000004F},
{"HIDKeyboardModifierMappingSrc":0x70000005F,"HIDKeyboardModifierMappingDst":0x70000004A},
{"HIDKeyboardModifierMappingSrc":0x700000060,"HIDKeyboardModifierMappingDst":0x700000052},
{"HIDKeyboardModifierMappingSrc":0x700000061,"HIDKeyboardModifierMappingDst":0x70000004B}
]}'

# To reset, run:
# hidutil property --set '{"UserKeyMapping":[]}'

For Insert and Delete, add:

{"HIDKeyboardModifierMappingSrc":0x700000062,"HIDKeyboardModifierMappingDst":0x700000049},
{"HIDKeyboardModifierMappingSrc":0x700000063,"HIDKeyboardModifierMappingDst":0x70000004C},