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I desperately need to know how to program my HP-41cx with a triangle solution program. My tried and true HP 11c is finally dying on me and I dusted off my old HP-41cx to come to the rescue. If anyone has the answer I would greatly appreciate it.

You can find it here but this is 67 solution ported to 41. HP-41 math pack has a good one. You can download the math pack from the 'other great HP site' that I can't mention here, load it into V41 and save SSS program to a .RAW file. Then use hp41uc to convert to it .TXT file and you can key it in. If this is too confusing for you, drop me an email and I will send it to you.