Dave Arnett

First Name:Dave
Last Name:Arnett
Last Change:2008-08-17
Number of Files:14 (97th most prolific)
Number of Downloads:99,067 (82nd most downloaded)

Broken Reset Button   (details) 48 ENG   2KB
If your reset button breaks, this is how to reset your calculator.
By Dave Arnett. 1999/01/06

Clock Jitter   (details) 48 ENG   1KB
Information on noise in the HP 48 quartz timing crystal.
By Dave Arnett. 1999/01/06

Convolve   (details) 48 ENG   3KB/1KB
Another program which performs discrete-time convolution with vectors.
By Dave Arnett. 1998/09/02

Dave's ROM Dump Copying Comments   (details) 48 ENG   5KB
Comments on the moral issues of copying ROM dumps.
By Dave Arnett. 1999/01/06

General Memory Info   (details) 48 ENG   1KB
General information on the 48GX memory structure.
By Dave Arnett. 1998/01/03

Hiss   (details) 48 ENG   3KB
Explains the "hiss" that comes out of the HP 48 keyboard.
By Dave Arnett. 2008/08/17

IR Information   (details) 48 ENG   3KB
This document explains how the infrared port on the 48 works.
By Dave Arnett. 1997/08/21

Jumper Information   (details) 48 ENG   2KB
Explains why there are jumpers on the HP 48G series to adjust the clock speed.
By Dave Arnett. 1997/09/06

Middle Battery   (details) 48 ENG   2KB
Explains why the middle battery drains faster.
By Dave Arnett. 1999/01/06

NASA   (details) 48 ENG   4KB
Tells about the HP 48's use on one of the first shuttle missions and the HP 28's use on later Apollo missions.
By Dave Arnett. 1997/09/06

On-key Combinations   (details) 48 ENG   4KB
Lists the various On-key combinations.
By Dave Arnett. 1997/12/11

Spoof   (details) 48 ENG   4KB
This is the kind of stuff you're missing if you don't read comp.sys.hp48.
By Dave Arnett. 1999/01/06

Turn Off Auto-Shutoff   (details) 48 ENG   2KB
Explains how to disable the 10-minute auto shutoff (doesn't look very easy, though).
By Dave Arnett. 1997/09/06

Two Point Geometry/DA   (details) 48 ENG   2KB/1KB
Very similar to the above program but much smaller.
By Dave Arnett. 1998/11/04

Part of the HP Calculator Archive,
Copyright 1997-2023 Eric Rechlin.