A man left his girlfriend his ATM card and encoded his PIN in a derivative notation maths problem. His confused girlfriend took to social media to share the maths problem alongside his ATM card as she sought help.
A lady, @kaaego, has cried out on X over the derivative notation maths problem her boyfriend left for her to solve in a bid to get his ATM PIN.
@kaaego shared a handwritten note her boyfriend left her, informing her to do her hair, shop with friends and have lunch using his ATM card.

She also showed the maths problem he told her to solve, which will give her his ATM PIN.
Apparently, she could not solve it.
“Men are just wicked, see what my boyfriend left for me today,” she wrote as she shared his ATM card and the note on X.
Her tweet blew up and got many talking. Some netizens tried to solve the maths problem.
See her tweet below:
Men are just wicked, see what my boyfriend left for me today 😭 pic.twitter.com/MrwEPsIKk9
— KAEGO🧃 (@kaaego) October 30, 2023