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+--- Thread: Found a great pen to mark HP calculator cards (/thread-18519.html)
Found a great pen to mark HP calculator cards - Xorand - 07-01-2022 01:08 AM
After recently purchasing a working card reader for my 41CX along with some new and used cards, I was debating what to use to mark my cards. I wanted something non-permanent, so I ended up using a mechanical pencil. Graphite, however, ends up smearing over time and to be honest doesn't erase too easily off of HP's magnetic cards.
On a whim, I tried one of my Pilot Frixion pens. I had purchased a few of these pens to go along with some re-usable notebooks I picked up a year or two ago. The ink dries within a minute or so on the HP cards and doesn't smear. However, the ink wipes off clean when wetted with some water (i just used a wet finger for a test).
I've got a few cards marked with the Frixion pen and will see how they hold up long term, as well as to see if they can still be wiped clean with water after a longer period of time.
![[Image: i-bpddZCw-L.jpg]](https://photos.smugmug.com/photos/i-bpddZCw/0/df212cee/L/i-bpddZCw-L.jpg)
RE: Found a great pen to mark 41C/67 cards - teenix - 07-02-2022 12:00 AM
Does it work on 65 cards too?
Sorry, early morning attempt at humor :-)
cheers
Tony
RE: Found a great pen to mark 41C/67 cards - Xorand - 07-02-2022 01:38 AM
(07-02-2022 12:00 AM)teenix Wrote: Does it work on 65 cards too?
Sorry, early morning attempt at humor :-)
cheers
Tony
Probably so. I forgot the 65 had a card reader as well.
RE: Found a great pen to mark 41C/67 cards - Massimo Gnerucci - 07-02-2022 08:36 AM
(07-02-2022 01:38 AM)Xorand Wrote:(07-02-2022 12:00 AM)teenix Wrote: Does it work on 65 cards too?
Sorry, early morning attempt at humor :-)
cheers
Tony
Probably so. I forgot the 65 had a card reader as well.
Still no clue about 71B and 75C/D...
RE: Found a great pen to mark 41C/67 cards - Xorand - 07-03-2022 09:52 PM
(07-02-2022 08:36 AM)Massimo Gnerucci Wrote:(07-02-2022 01:38 AM)Xorand Wrote: Probably so. I forgot the 65 had a card reader as well.
Still no clue about 71B and 75C/D...
LOL, OK, those, too. I even updated the post title for completeness.
RE: Found a great pen to mark HP calculator cards - ijabbott - 07-27-2022 07:31 PM
(07-01-2022 01:08 AM)Xorand Wrote: On a whim, I tried one of my Pilot Frixion pens. I had purchased a few of these pens to go along with some re-usable notebooks I picked up a year or two ago. The ink dries within a minute or so on the HP cards and doesn't smear. However, the ink wipes off clean when wetted with some water (i just used a wet finger for a test).
I've got a few cards marked with the Frixion pen and will see how they hold up long term, as well as to see if they can still be wiped clean with water after a longer period of time.
The other nice thing about these pens is they use a bistable invisible ink. Heating the ink up by friction (using the "eraser" at the end of the pen) turns it transparent. Cooling it below -10C for a while turns it visible again!
RE: Found a great pen to mark HP calculator cards - Xorand - 07-29-2022 12:28 PM
(07-27-2022 07:31 PM)ijabbott Wrote: The other nice thing about these pens is they use a bistable invisible ink. Heating the ink up by friction (using the "eraser" at the end of the pen) turns it transparent. Cooling it below -10C for a while turns it visible again!
Interesting. I knew about the friction part "erasing" the ink. Didn't realize it would come back by freezing it.
RE: Found a great pen to mark HP calculator cards - knife31 - 08-13-2024 04:42 AM
I have been marking my cards for years with a Koh-I-Noor, Rapidograph Pen set. Works great and they have different size tips.
Randy
https://www.kohinoorusa.com/rapidograph
RE: Found a great pen to mark HP calculator cards - John Garza (3665) - 08-16-2024 06:04 PM
Personally, I take a different approach as HP cards are no longer in production and will eventually become scarce. I create custom cards in MS Word for all my programs, and print to paper. I then enclose both front and back with 'Book Tape' (a thick clear tape), then cut out the cards with scissors, usually 20 or so to a page. What you have is the equivalent of the 'label cards' from the TI-58/59. They are non-magnetic but serve to annotate the user defined keys and title of the program. And they are MUCH easier on the eyes than my chicken-scratch handwriting. I keep the actual programs on unmarked (reusable) magnetic cards with the corresponding label card in the same sleeve in the card holder. Works great for me.
-J
RE: Found a great pen to mark HP calculator cards - rprosperi - 08-16-2024 10:58 PM
(08-16-2024 06:04 PM)John Garza (3665) Wrote: Personally, I take a different approach as HP cards are no longer in production and will eventually become scarce. I create custom cards in MS Word for all my programs, and print to paper. I then enclose both front and back with 'Book Tape' (a thick clear tape), then cut out the cards with scissors, usually 20 or so to a page. What you have is the equivalent of the 'label cards' from the TI-58/59. They are non-magnetic but serve to annotate the user defined keys and title of the program. And they are MUCH easier on the eyes than my chicken-scratch handwriting. I keep the actual programs on unmarked (reusable) magnetic cards with the corresponding label card in the same sleeve in the card holder. Works great for me.
-J
This sounds great John! I think it's a tad OCD, but here at MoHPC, that's a very good thing, not a label to denigrate someone.
Share some photos when you have time, I think they would help to convey the feel for the process and setup you describe. We all need some way to avoid effectively rendering cards borderline unusable by our own chicken-scratching; in any case, nothing to show someone else....
RE: Found a great pen to mark HP calculator cards - Mike - 08-17-2024 04:56 AM
(08-16-2024 06:04 PM)John Garza (3665) Wrote: Personally, I take a different approach as HP cards are no longer in production and will eventually become scarce. I create custom cards in MS Word for all my programs, and print to paper. I then enclose both front and back with 'Book Tape' (a thick clear tape), then cut out the cards with scissors, usually 20 or so to a page. What you have is the equivalent of the 'label cards' from the TI-58/59. They are non-magnetic but serve to annotate the user defined keys and title of the program. And they are MUCH easier on the eyes than my chicken-scratch handwriting. I keep the actual programs on unmarked (reusable) magnetic cards with the corresponding label card in the same sleeve in the card holder. Works great for me.That sounds like a great idea. Care to share the Word template?
-J
RE: Found a great pen to mark HP calculator cards - John Garza (3665) - 08-17-2024 05:32 PM
Here is a sample word doc and a picture.
Note that it's best to trim around the rectangle with scissors EXCEPT to leave a little tab on the left that will fit under the edge of the window slot. This will force the labels to line up with the keys.
Enjoy!
-J
[attachment=13835]
[attachment=13836]
RE: Found a great pen to mark HP calculator cards - Mike - 08-17-2024 08:02 PM
(08-17-2024 05:32 PM)John Garza (3665) Wrote: Here is a sample word doc and a picture.Many thanks
Note that it's best to trim around the rectangle with scissors EXCEPT to leave a little tab on the left that will fit under the edge of the window slot. This will force the labels to line up with the keys.
Enjoy!
-J