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LXVII

LXVII - 1.1.2

HP-67-like calculator

All Time: (4.5)
This Version: Not rated (0.0)
Current Version: 1.1.2
Release Date: 2008-01-27
License: Freeware
Downloads (this version): 1,134
Downloads (all versions): 4,758

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Product Description:

LXVII is a faithful simulation, of the Hewlett-Packard HP-67 programmable scientific calculator. It has the same stack depth and number of memory registers and program steps as the original. The button layout, numeric display formats and program key-codes are also similar although the display has been expanded to 14 significant digits with a 3 digit exponent.

New features were designed with the intent that they extend existing features in a compatible manner.

New features include:
  • It is document based, so multiple calculators can be active at the same time.
  • It is multi-threaded so multiple programs can be running at the same time on as many CPUs as are available on the system.
  • The document based architecture, along with user defined function keys, allows users to redefine LXVII's functionality so that each document is essentially a new calculator, tailored to the user's specific task.
  • A paper tape panel like that found on the hp-97 desktop calculator is provided for printing out memory registers, intermediate stack values and program listings.
  • A pull-out drawer can display the current values of the stack, the last-X register, the program counter, all memory locations and all program steps in memory. All values except the program steps can be edited directly within the drawer interface.
  • All buttons have an assigned single-keystroke key so that the user can get to all calculator functions without the need of the mouse.
  • All buttons and button labels have active tooltips specifying the button's functions and it's shortcut.

What's new in this version:

A minor bug fix release:
  • Made the yellow button legends stand out better on Leopard.
  • Increased the size of the application icon for Leopard's Quick Look
  • Fixed a bug recalling values from the A-E registers
  • Fixed a really embarrassing menu-bar spelling bug.

Operating System Requirements:

This product is designed to run on the following operating systems:

  • Mac OS X 10.5 Intel
  • Mac OS X 10.5 PPC
  • Mac OS X 10.4 Intel
  • Mac OS X 10.4 PPC
  • Mac OS X 10.3.9

Additional Requirements:

  • Distributed in 2 versions: A Mac OS X 10.4-only Universal Binary and a Mac OS X 10.3.9 and later PowerPC version.

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This Version:
Overall Rating: Not rated (0.0) Features: Not rated (0.0) Support: Not rated (0.0)
Ease of Use: Not rated (0.0) Quality / Stability: Not rated (0.0) Price: Not rated (0.0)
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LXVII ReviewRPN HP Programmable lovers must have this - Version: 0.9.2b, 6/15/2006 08:00PM PST

seasoft
This is a fabulous, well executed and complete simulator for the HP-67, available in universal binary for intel and PPC macs. If you've ever used any of the several RPN (Reverse Polish Notation) HP programmables, you likely love them. I have had three or four (HP-55, HP-41, HP-33,...); if you've ever used one, this simulator will be a natural.

- You can view and edit all registers and memory in easy-to-access text windows in addition to using the calculator keyboard and display.

- You can use the computer keypad for the common calculator functions (number entry, add, subtract, multiply, divide) or, of course, the mouse.

- It saves memory registers, programs and the complete calculator state to files for archiving projects. It has a nice "paper tape" simulator that doubles as a program listing window. Everything is very elegantly executed using Cocoa.

There's not much documentation, but if you have ever used one of these RPN programmables, you won't need any. And if you haven't used one, you probably won't be interested in this anyway. It just works (and has a nice mouse-over pup-up descriptions for all function keys and key combinations). And, the author has been very responsive to questions.

Really, this is a must have for you HP-RPN programmable lovers out there...
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LXVII Reviewlooks good after ten minutes' play - Version: 0.9.2b, 6/5/2006 10:55PM PST

(1 of 1 users found this comment useful)

twicks
I used the mouse for all my input because I have a "mini" keyboard hooked up to my laptop. I will try later with keyboard equivalents. I used a 67 for years in the 70s and gave it away to a college kid when I no longer needed it. Then a few years ago I bought one from eBay and it brought back all the good memories (no pun intended). I resold that and now I have this Mac version to try. No mag cards, though. There used to be a club of 67 users and someone figured out how to create "non-normalized numbers," which could only be saved on mag cards. The club had a lively trade in these cards. One of the cards would cause the words C0Co C01o scroll across the display (the "o" was squared off so it looked like a lower case "a" and the effect was "coca cola" on the display.

One wish list hint: make the calculator look like a 67, complete with the place for the mag card. Then let users create a collection of virtual mag cards that could be "run through" and then slipped into the card window.

Thanks!
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