How many BAD BLK?

[DrD]

Idle time challenge #1

With a flash memory size of 256Mb, and a typical block size of 64KB, what is the smallest ppl program, using your calculator's bad block value, to rate your calculator's flash memory quality index?

Too much idle time challenge #2

If you are especially clever, extend the smallest ppl program, using each technical parameter available within the Prime, to assign an overall performance factor when run on an hp Prime.

Winner of the "Smallest hpppl Program" challenge receives less idle time.

Disclaimer: Not affiliated with anything useful, hp or otherwise. Open to everyone.