Preston Brown

First Name:Preston
Last Name:Brown
Last Change:2017-07-30
Number of Files:7 (237th most prolific)
Number of Downloads:33,232 (347th most downloaded)

Casino Demo   (details) 48 ENG   9 KB / 9 KB
ScreenshotAdvertisement for HP 48SX Casino Card.
By Preston Brown. 1997-08-21

CMOS FET Equations   (details) 48 ENG   3 KB / 2 KB
This is a set of equations for CMOS field effect transistors. The constants included give a good approximation to common 1.6u processes.
By Preston Brown. 1997-08-21

CPRAC   (details) 48 ENG   3 KB / 1 KB
Blackjack card counting practice program. Requires the CASINO 48 application card.
By Preston Brown. 2008-08-14

DRAW48   (details) 48 ENG   55 KB
Allows you to create graphics for your 48S on an MS-DOS computer. DRAW48 writes a 48S program which can be sent to the calculator and run to create the graphics.
By Preston Brown. 2017-07-30

Low Bat Program   (details) 48 ENG   1 KB / 1 KB
Reports the status of the ALERT annunciator. The ALERT annunciator is activated by alarms or low battery.
By Preston Brown. 2008-08-11

Serial Cable Pinouts   (details) 48 ENG   3 KB
Explains the pinouts for serial cables for connecting the HP to PCs, Macs, or Minitel machines.
By Johan Thornton and Preston Brown and others. 1997-09-21

Speed up the HP 48?   (details) 48 ENG   1 KB
Gives some basic information about the clock speed of the HP 48 and how it is set.
By Preston Brown. 1997-12-12

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