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controlling Emu4x with real calculator
I was wondering if anyone has already done this. Sometimes I find that using a keyboard with the emulator is just cumbersome for doing tasks that do not involve typing text. ... 12 Aug 2010 14:46
Looking for Yann Collet (need BZ2 permission)
I need contact information for Yann Collet who developed the BZ2 compression. I would like to add BZ2 compression to Debug4x (http://www.debug4x.com) as an option but I need permission to use his sources. Does anyone have a good email address for Yann? I posted to 'phantasie.conquest(a)hotmail.fr' without success... 13 Aug 2010 10:17
HP50 for USD 130 in Paraguay
HP50 for USD 130 in Paraguay. Is it worthwhile, or is it best hope HP make an color LCD calc (one that I am waiting since 1994)? ... 12 Aug 2010 22:27
Avoid DIVIS in some URPL number theory functions
How to Avoid DIVIS in User-RPL Number Theory Programs by Joe Horn Some number theory functions are defined in terms of the divisors of X. But the DIVIS function in RPL is slow. Here are six User-RPL number theory functions that avoid DIVIS and are therefore very fast. TAU -- How many divisors does X have? S... 5 Aug 2010 22:28
Obfuscated Pi
<< "{ObfuscatedPi}" "HaSRDFZSBPWePN" XOR OBJ-> It had to be done. -Joe- ... 4 Aug 2010 02:46
July programming challenge update
My experimental July programming challenge ended a couple days ago. Unfortunately, it wasn't as successful as I had hoped. Technically, there were no valid entries. In order to enter, the program had to be sent to me during the month of July and had to include a mailing address within the upload comments. ... 4 Aug 2010 15:48
UBASE and Debug4x (with ROM 2.15)
On 8/3/2010 3:52 AM, Kim DeVaughn wrote: John H Meyers<jhmeyers(a)nomail.invalid> writes: On the confused meaning of "UBASE bug": OK ... how about UAB (Undocumented Anomalous Behaviour) of the UBASE command then ... :-) ...? The only anomalous behavior is the presence of unsupported ROM addresses in... 4 Aug 2010 19:04
When finite precision creates big mistakes...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Take the following (somewhat trivial) matrix: 1 2 3 4 2 1 4 3 3 4 1 2 4 3 2 1 Using my HP 50g, its determinant is 600e-15. No surprise, it is thus rank 4. But by looking some seconds at the matrix, everybody will notice that this can't be a full-rank m... 4 Aug 2010 19:04
HP should stop making Calculators...!
And Start putting RPL Graphic Calculation software into Aps for Substantially superiour phones, pads, PDAs ( if they're still called that ) and such... ... 10 Aug 2010 16:54
New test release of Jazz 50G v1.20
The following is a release candidate for version 1.20. Changes include being fully compatible with a modified version of extable (no worries, the included extable library is backward compatible). Jazz does NOT work with older releases extable; only the one that is included with the Jazz package. It is now possible ... 12 Aug 2010 16:59
Can I define a constant as a library entry
If I make a library and include this code, it works and puts a string on the stack from a library. EXTERNAL xStr xNAME Str :: "This is a string" ; If I do the following, I do not even get the name Str showing on the library's menu. EXTERNAL xStr xNAME Str "This is a string" I must have a very flawed... 1 Aug 2010 21:22
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