Thanks! That’s more than enough entertainment for a Friday night.
Very nostalgic to re-read PPC magazines.
Already briefly scanned the Pi article, never heard about this method before, very clever.
Search found 415 matches
- Fri Mar 22, 2024 3:38 pm
- Forum: Software Library
- Topic: Happy Pi Day!!!
- Replies: 8
- Views: 486
- Fri Mar 22, 2024 5:29 am
- Forum: Software Library
- Topic: Happy Pi Day!!!
- Replies: 8
- Views: 486
Re: Happy Pi Day!!!
Greetings, By using pi_dec (a 396-step program for the HP 41) published on PPC Calculator Journal V7 N5 Page 9 June 1980, 'PI TO 1,110 PLACES' by Ron Knapp, based on Machin's formula pi=16 arctan (1/5) - 4 arctan(1/239), I was able to get as a test 1,590 exact decimals of PI in 2 minutes and 12 sec...
- Thu Mar 14, 2024 6:11 pm
- Forum: Software Library
- Topic: Happy Pi Day!!!
- Replies: 8
- Views: 486
Re: Happy Pi Day!!!
Nice one Jaymos! I made a C program, that also implements Leibniz series. A bit faster than the DM42, running this on my Lenovo X1: https://www.dropbox.com/scl/fi/c1wx7j5x2jhco53tkmkw2/C_program_output.jpg?rlkey=n25hndlo1xuccgclsrihv4a3j&raw=1 Reaching the 13 correct digits in 1 000 000 000 000 ...
- Thu Mar 14, 2024 8:47 am
- Forum: Software Library
- Topic: Happy Pi Day!!!
- Replies: 8
- Views: 486
Happy Pi Day!!!
Implementation of Liebniz pi series: https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80 https://www.dropbox.com/scl/fi/r74wbx1fuitgi53u34rtd/LeibnizPi.png?rlkey=xo9cxk1sp1k4wznyqsu0k7xna&raw=1 https://youtu.be/tJfCA__biiU Pi at work today ;-) Result after having run approximately for half ...
- Thu Mar 07, 2024 7:42 am
- Forum: Hardware issues
- Topic: DM42 dead after a long weekend
- Replies: 9
- Views: 2705
Re: DM42 dead after a long weekend
My DM42 also auto reset the other day, when I had it with me in my coat pocket. It wasn’t freezing, just down to ca 5°C. Could be the battery, that couldn’t cope with the low temperatures, but it is only a couple of months old. Can’t find any specs for the devices operating temperature range on SM w...
- Thu Feb 29, 2024 5:53 am
- Forum: C47/C43, WP43, WP34S
- Topic: C47 bezel available
- Replies: 63
- Views: 12705
Re: C47 bezel available
Edit: this might help illustrate: a bar chart is a set of shapes with areas, but it's not confusing because the bars are all the same width. If the bars were different widths, we'd be in trouble. Here's an example of a pie chart that isn't distorted. :-) https://xkcd.com/688/ :lol: nice one
- Mon Feb 26, 2024 11:33 am
- Forum: C47/C43, WP43, WP34S
- Topic: C47 bezel available
- Replies: 63
- Views: 12705
Re: C47 bezel available
Interesting graph. Thanks for sharing.
- Fri Feb 23, 2024 6:15 am
- Forum: Software Library
- Topic: Unit conversion dBm to dBuV and Vrms and vice versa
- Replies: 4
- Views: 2792
Re: Unit conversion dBm to dBuV and Vrms and vice versa
Nice program - it is exactly for small tasks like this in our daily lifes, that the DM42 comes in handy!
- Sun Feb 18, 2024 3:29 pm
- Forum: DM42
- Topic: Can we please have a DM42 firmware update...
- Replies: 6
- Views: 834
Re: Can we please have a DM42 firmware update...
Way, that was quick Bob.
Thanks a lot. I owe you, should we meet
Thanks a lot. I owe you, should we meet
- Sat Feb 17, 2024 10:30 pm
- Forum: DM42
- Topic: Can we please have a DM42 firmware update...
- Replies: 6
- Views: 834
Re: Can we please have a DM42 firmware update...
On my device version 3.22/3.0.15b the bug persists.