mbelzinga's articles:

Items(4) /1

Inconsistent double sums in exact mode 4 75 (12/1/2006 2:39:04 AM) comp.sys.hp48 I am getting inconsistent results with some double sums on the HP49G (not G+). I use the 49G a lot in approximate mode and rarely in exact mode, so I didn't encounter this problem until I had accidentally left ... Mike

Inconsistent Double Sums on the HP49G 0 84 (5/8/2005 12:18:39 AM) comp.sys.hp48 Consider the following double sum (which I stored in a variable called 'S1') Sigma(j = 0, 5, Sigma(k = 1, 10, k^j)). A. All CAS options unchecked on the CAS menu: EVAL produces 11870430 (note: ... Mike

The FFT feature on the HP49 and 49 series 10 256 (2/10/2005 5:10:45 PM) comp.sys.hp48 I was curious to know if any of the HP48 and 49 series afficionados use the FFT feature. I have done a lot of data acquisition with the TI calculators and the Vernier data acquisition equipment. But with thes... Mike

Westminster Chimes 5 137 (2/9/2005 10:31:41 PM) comp.sys.hp48 Here is a set of modularized programs to turn your HP48 or 49 series calculator into a cheap grandfather clock. I tried to pick a key that was enough in the middle range of the BEEP oscillator so that it was f... Mike