Sum of three cubes for 42 finally solved

09152019, 11:51 PM
Post: #9




RE: Sum of three cubes for 42 finally solved
(09152019 07:19 PM)DA74254 Wrote:(09142019 09:14 PM)Gerson W. Barbosa Wrote: 34 significant digits are not enough for the task. That would require at least 50. Not a problem for the HP 50g in exact mode, though:Yes, I too saw that it need 50 significant digits. Though the Prime also in CAS manages the tak. WP43C is a keyboard alternative version of WP43S using native DM42 keyboard. WP43C details here: WP43C forum. Here are links to the emulator and DM42 firmware. WP43C code here Gitlab. WP43S can be found here Gitlab, including emulator and a DM42 firmware image in the Gitlab repo. Remember it is a work in progress and not finished. The emulator and firmware are snapshots as is now. The 43S files were updated Sunday night with a major update. The 43C files were update earlier on Sunday before the 43S update. Either way, the functionality you would need for the 42 problem would work on both and is switched on per default, i.e. long integers are input if you enter numbers without a decimal point. Interestingly, to prove the same point, another demo can be done to show the length of integer numbers, i.e. 290 [x!] 1 [+] 290 [x!] [] renders 1. For those who don't read RPN, that is (290! + 1)  290! = 1. Jaco Mostert, Elec Eng C43 on DM42, 42S, WP34C&S, 28C, 35S, 32Sii, had 11C; used 67, 85; iOS:42s, Free42, WP31S&34S, HCalc; OSX:WP34C. 

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