[ladyjane]

If you are 50 years old or older how do you fail to remember that computer printers are not typewriters?

Easy if you are male.

[grey_whiskers]

You wrote:

"Easy if you are male."

And if you haven't read Tolkein's intro to LOTR
where he speaks of typing his manuscripts by hand,
by himself.
As I referred to learning to type, HPLC
= Hunt, Peck, Loudly Curse!

(or, High Pressure/Performance Liquid Chromaotgraphy to chemist)