Dave Arnett

First Name:Dave
Last Name:Arnett
Last Change:2008-08-17
Number of Files:14 (99th most prolific)
Number of Downloads:100,899 (81st most downloaded)

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

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

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

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

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

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

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

Jumper Information   (details) 48 ENG   2 KB
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   2 KB
Explains why the middle battery drains faster.
By Dave Arnett. 1999-01-06

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

Spoof   (details) 48 ENG   4 KB
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   2 KB
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   2 KB / 1 KB
Very similar to the above program but much smaller.
By Dave Arnett. 1998-11-04

Part of the HP Calculator Archive,
Copyright 1997-2024 Eric Rechlin.