Calculator Culture
HP 50G Graphing Calculator Review
updated
Sections of this video:
0:00 - Intro
2:05 - Physical Design
4:58 - Usage
7:45 - Programming
9:25 - Summary
For information about how to fix the display the Pc-1211 or TRS Pocket Computer check out youtu.be/KHzOBoSHLtg?si=oIo592wnAjarxBo4
For more calculator videos check out my channel youtube.com/CalculatureCulture
This is is video review of the Casio fx-CG100 ClassWiz graphing calculator, an upgrade to the previous fx-CG50.
Sections of this video:
0:00 - Intro
0:48 - Hardware
3:54 - User Interface
5:00 - Calculate App
10:07 - Other Apps
23:04 - Python
24:26 - Summary
For more calculator videos, checkout my channel youtube.com/CalculatorCulture
Sections of this video:
00:00 - Intro
01:12 - Hardware
03:55 - Internals
05:05 - Basic Usage
07:28 - 2nd Function Key
08:46 - Scratchpad Programming
11:52 - Summary
For more calculator videos checkout my channel at youtube.com/CalculatorCulture
These calculators are available for purchase on the SwissMicros website swissmicros.com
Sections of this video:
0:00 - Intro
2:06 - DM15L Hardware
5:02 - DM15C Hardware
6:42 - Setup Menu
8:28 - Two Line Mode
10:54 - Constants and Conversions
14:02 - Function Preview
14:50 - Performance
17:26 - Memory
19:43 - I/O
20:21 - Summary
For more calculator videos checkout my channel at youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:09 - History of the ACO
2:57 - Hardware
5:00 - Internals
5:37 - Meta Kernel
9:46 - CAS features
12:12 - Programming
16:04 - Summary
For more calculator videos, check out my channel youtube.com/CalculatorCulture
The DM32 can be purchased from SwissMicro's site swissmicros.com/product/model-dm32
Sections of this video:
00:00 - Intro
02:29 - Hardware
05:25 - Internals
07:18 - Basic Usage
10:21 - Bases, Fractions and Complex Numbers
13:43 - Multi-state
15:18 - Equations
17:01 - Programming
18:07 - Pricing
19:37 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
The website for the C47 project is located at 47calc.com
Sections of this video:
0:00 - Intro
1:34 - Project History
3:14 - User Interface
5:16 - Basic Usage
6:26 - Data Types
12:57 - Equations, Statistics and Modelling
17:10 - Programming
18:03 - Customisation and Load/Save State
19:48 - Summary
For more calculator videos checkout my channel at youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
2:22 - Hardware
6:19 - User Interface
8:30 - Advanced Functions
12:37 - Speed and Extensions
13:41 - Summary
Retrotronik make RAM cards for the 48 series available here retrotronik.com/products
For more calculator videos, check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
2:02 - Physical Hardware
3:19 - Internals
3:33 - Comp Mode
4:29 - Base Modes
8:15 - Summary
For more calculator videos, check out my channel youtube.com/CalculatorCulture
In this video, I talk about the PX-15C and PX-41C, and the experience of putting together the PX-16C from a component kit.
For more information about the project, check out:
- Project Homepage - paxer.net/voyager
- Order a PX kit on Tindie - tindie.com/stores/hobbystone
- Order a PX kit or a pre-built device on ebay: ebay.com/usr/alexgarza
- Video of two lined PX-15C - youtube.com/watch?v=FahiwJiqpW0&t=8s
- PX-41CX prototype images - paxer.net/voyager/px41cx
- Bevelled keys - http://tuxgraphics.org/npa/px15c-with-bevelled-keys
Sections of this video:
0:00 - Intro
0:57 - PX-15C
4:50 - PX-41C
6:29 - Assembling the PX-16C
8:29 - Summary
For more calculator videos check out my channel: youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
2:23 - Physical Design
5:24 - Internals
5:53 - Basic Usage
8:03 - Graphing
9:26 - Programming
13:06 - Summary
For more calculator videos, check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:50 - Unboxing
3:21 - Physical Design
6:25 - Performance Comparison
8:30 - Memory Comparison
10:19 - Test Menu and Hidden Modes
11:16 - 15.2 Mode
12:17 - 16C Mode
13:29 - Summary
You can check out the 15C Collector's Edition Owner's Handbook here:
literature.hpcalc.org/items/2258
You can buy the 15C CE online in the US and through other distributors in Europe and Australia. Info is on these sites
- hpofficesupply.com/product/hp-15c-calculator
- hpcalcs.com/product/hp-15c-collectors-edition
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
2:27 - Physical Design
7:26 - Internals
9:31 - Basic Usage
13:25 - New features
19:55 - Programming
23:10 - Summary
In the video, I mention a few links that I would add to the video description:
- Retrotronik make RAM cards for the 48 series. You should the card will work in your particular model. retrotronik.com/products
- Here is Darren's video comparing the displays on the 48 series. youtube.com/watch?v=H4qZ0eSWoaI&ab_channel=CalculatorClique
- Here is a video showing the HP 48SX Demonstration card youtube.com/watch?v=lLFO46Fp2mM&t=4s
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
0:56 - Physical Design
2:16 - Internals
3:06 - Basic Usage
4:17 - Programming
6:11- Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
2:57 - Physical Design
4:41 - Internals
5:56 - Basic Usage
8:13 - Master Library Module
10:09 - Programming
12:45 - Undocumented HIR Instructions
15:38 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
This video is a review of the Casio fx-991CW Scientific calculator, a design update of the popular fx-991EX.
Sections of this video:
0:00 - Intro
1:06 - Physical Design
3:16 - Apps and Menu Navigation
5:47 - Format Key
7:45 - Variables and Functions keys
8:59 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
This video is about the Casio fx-61F, a unique calculator from 1988 that was designed specifically for electronics and electrical engineers.
Sections of this video:
0:00 - Intro
1:26 - Physical Design
5:05 - Internals
5:35 - Complex Calculations
7:40 - Impedance Calculations
12:43 - Impendence Functions for the 42S
14:36 - Formula Library
15:19 - Programming
16:35 - Base-N Mode
17:02 - Summary
For more calculator videos, check out my channel youtube.com/CalculatorCulture
This video is about the Casio fx-201p, the first Casio programmable calculator available outside of Japan.
The version of the N-Queens solution I ran is here:
community.casiocalc.org/topic/3902-the-n-queens-problem-on-a-casio-fx-201p-8-queens
Sections of this video:
0:00 - Intro
1:33 - Physical Design
3:26 - Internals
4:09 - Basic Usage
7:08 - Programming
11:42 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:22 - Physical Design
3:21 - Basic Usage
4:46 - Probability Distribution Functions
8:23 - Statistics and Welford's Method
10:27 - Built-in Library
11:30 - Summary
For those that are interested in knowing more about how to disassemble an HP 20S or HP 21S check out Logan West's video here:
- youtube.com/watch?v=G8wS95wK4bI&t=524s&ab_channel=LoganWest
For those that are interested in Welford's Method for calculating the mean and variance of normal distributions check out this link:
- jonisalonen.com/2013/deriving-welfords-method-for-computing-variance
For more calculator videos check out my channel: youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:44 - Physical Design
4:53 - Basic Usage + Printer
7:18 - Scientific and Stats Operations
9:14 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I reference the following excellent article on the history of AER programmables
- http://www.arithmomuseum.com/szamologep.php?id=25&lang=en
Sections of this video:
0:00 - Intro
1:54 - Physical Design
3:59 - COMP Mode
5:04 - AER programming
8:51 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
This video is about the legendary Casio fx-603P programmable calculator from 1990. The 603p was the successor to the 602P that was only on the market in Japan and is very rare.
In this video I talk about the 603p in comparison to its predecessor. I walk through its new features and show three programming examples: a speed comparison, a demonstration of writing to display memory and a self-modifying program.
Sections of this video:
0:00 - Intro
1:13 - Physical Design
4:55 - Basic Usage
6:32 - Fractions, Base N & Byte Addressing
9:02 - Programming
14:00 - Summary
For more information about cables for the 603p check out:
- casio880.com/en/product/cable-interface-casio-usb-880850en
- richardlewis.org/blog/2020/8/24/casio-fx-880p-reading-and-writing-programs
For more information about low level programming of the fx-603p check out:
- http://mitiay4.narod.ru/fx603p_e.htm
For more calculator videos check out my channel: youtube.com/CalculatorCulture
In the video I talk about the design, basic usage, and its formula programming model.
Sections of this video:
0:00 - Intro
1:06 - Physical Design
2:22 - Internals
2:50 - Basic Usage
4:42 - Simple formula
5:38 - Formula programming
7:12 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I talk about some of the history of FORTH, its basic usage, HP's FORTH extensions and how FORTH relates to RPL. I also talk about using the assembler to create FORTH primitives, LEX and BIN files.
In the video I use Mark Fleming's MultiMod ROM emulator. For more information about the MultiMod check out the following article:
- hpmuseum.org/forum/thread-16448.html
Sections of this video:
0:00 - Intro
1:05 - MultiMod ROM Emulator
1:25 - History of FORTH
2:29 FORTH on the 71B
5:54 - Word definitions
7:04 - Text editor
8:02 - N-Queens example
12:02 - Assembler
13:10 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
This video is about the Casio fx-4500P an advanced programmable calculator from the late 1980s.
Sections of this video:
0:00 - Intro
1:10 - Physical breakdown
3:09 - Internals
4:00 - Basic usage
5:37 - Base N mode
7:37 - Formula memory
8:09 - Programming
11:16 - Summary
13:02 - Outro
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:45 - Physical Design
4:22 - Calc Mode
6:13 - BASIC programming
7:54 - Summary
In the video I talk about history of the device, it Calc mode and its BASIC programming mode.
For more calculator videos check out my channel youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
1:34 - Physical Comparison
6:12 - Feature Comparison
7:47 - Currency Menu in the 17bii+
8:32 - Solver
10:54 - Speed Comparison
11:23 - Summary
In the video I mention a few resources:
- The advanced Solver formula examples are from the excellent Technical Applications book for the 27S and 19B literature.hpcalc.org/items/1143
- Discussion about Solver compatibility issues on the 17BII+ hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv021.cgi?read=242551
For more calculator videos check out my channel: youtube.com/CalculatorCulture
Sections of this video:
0:00 - Intro
4:28 - Physical Design
7:43 - Calc Mode
11:55 - File System
12:55 - BASIC Mode
16:11 - LEX Extensions
17:23 - Summary
Some links related to this video:
- "Syntactic device for chain calculations" patent patents.google.com/patent/US4698784
- Steven T. Abell's Usenet post about the 71-B. groups.google.com/g/comp.sys.hp48/c/Dik9RgtSLnE/m/QmD6gskwcQcJ
- Holy Joe's 71B site http://holyjoe.org/HP71
- Saturn source code to REVLEX - http://holyjoe.org/HP71/lexfiles/REVLEX%20source.txt
For more calculator videos, checkout my channel youtube.com/CalculatorCulture
You can find out more and download Plus 42 from thomasokken.com/plus42
Many thanks to Thomas for patiently answering my questions related this video.
Sections of this video:
0:00 - Intro
0:43 - Free42S
1:23 - Plus42 Design
2:58 - Directories
6:46 - Units
9:23 - Solver
11:26 - Plotting
12:47 - Summary
A couple of related videos from my channel are:
- HP 42S Scientific Calculator from 1988 youtube.com/watch?v=Yi9UU4oUZpY&ab_channel=CalculatorCulture
- HP 27S - HP's elegant "Do All" calculator from 1988 youtube.com/watch?v=B-U6ceKBZxo
For more calculator videos check out my YouTube stream: youtube.com/CalculatorCulture
This video is a review of the Casio ClassPad II - CP-400.
In the video I cover the history of the ClassPad series, its basic usage, the CAS, and BASIC programming. I also talk about how it compares to the HP Prime and TI-Nspire CX II.
Sections of this video:
0:00 - Introduction
1:43 - Physical Design
3:50 - Basic Usage
6:20 - Precision Limits
7:51 - Data Types, Variables and Folders
9:34 - CAS
10:55 - Split Screen and e-Activity
12:05 - Apps
13:03 - Programming
14:54 - Summary
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I talk about the 42S relationship to the 41 series. I also demo its basic functionality, complex number and matrix support and programming.
Sections of this video:
0:00 - Introduction
2:18 - Physical Design
5:48 - Basic Usage
7:40 - Alpha Register
8:37 - Catalog
9:02 - Matrices
10:46 - Programming
14:57 - Summary
For information about how to increase the speed of your 42S, check out this video youtube.com/watch?v=fYCjhFKgHdo&t=4s&ab_channel=CalculatorClique
For more calculator videos check out my channel youtube.com/CalculatorCulture
The Google Calculator supports an exact arithmetic variable-precision engine that always displays full and correct results. The user can swipe results to see digits that are always accurate and never rounded.
Sections of this video:
0:00 - Introduction
0:38 - Irrational Number Example
1:12 - Big Number Example
1:54 - Number Representation
4:09 - Summary
This arithmetic engine was created by Hans-J. Boehm:
- hboehm.info
There is an high level article in Communications of the ACM about how the arithmetic engine was implemented:
- cacm.acm.org/magazines/2017/8/219594-small-data-computing/fulltext
There is also a detailed technical paper about it here:
- dl.acm.org/doi/pdf/10.1145/3385412.3386037
For more calculator videos check out my channel youtube.com/CalculatorCulture
The TI-66 was manufactured by Toshiba, after the failure of Texas Instrument's own TI-88 project which was originally slated to be the TI-58 and TI-59's successor. See http://www.datamath.org/Sci/Slanted/TI-88.htm
For more information about the TI-66 check out the following links:
- http://edspi31415.blogspot.com/2019/09/retro-review-texas-instruments-ti-66.html?m=1
- http://www.datamath.org/Sci/Galaxy/TI-66.htm
- http://ganjatron.net/retrocomputing/ti-66/index.html
For more calculator videos, check out my channel youtube.com/CalculatorCulture
The calculator came with a four volume program library, that is available online at this link: archive.org/details/sinclair-cambridge-programmable-program-library
For more calculator videos check out my channel: youtube.com/CalculatorCulture
In the video I show examples of solutions to the N-Queens chess program in BASIC, C and Assembly and compare the run times. For the source to assembly code version check out the following link:
- hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/articles.cgi?read=700
I also made a video about the Z-1GR's predecessor the VX-4: youtube.com/watch?v=n5LAFKWceGM&t=954s&ab_channel=CalculatorCulture
For more calculator videos check out my channel youtube.com/CalculatorCulture
For more information about the calculator check out gnu.org/software/emacs/manual/html_mono/calc.html
Some links related to the video:
- SH3 Processor - devblogs.microsoft.com/oldnewthing/20190805-00/?p=102749
- C.BASIC egadget2.web.fc2.com/CBasic/Interpreter/CBasic_interpreter.html
- Reckon http://www.voidware.com/reckon
- C SDK - Still available on Casio's site edu.casio.com/download_service/en/download/index.html
For more calculator videos check out my channel: youtube.com/CalculatorCulture
The 28C introduced an enhanced version of RPN, CAS and graphing capabilities to HP's scientific calculator line. It also introduced a new user-facing programming language called RPL.
In the video I mention an article of HP Journal that goes into a lot about the development of this calculator that is worth checking out:
- hpl.hp.com/hpjournal/pdfs/IssuePDFs/1987-08.pdf
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I talk about its calculator modes, engineering applications and BASIC programming.
The Sharp PC-E500 supports the following applications:
- Mathematics: Prime Factors, GCM/LCM, Numerical solution (Newton's method), Numerical solution (Bisection method), Numerical integration (Romberg), Numerical integration (Runge-Kutta), Differential (Lagrange), Factorisation, Trig Functions, Integration, Greek Symbols, Graphing (Function), Graphing (Data), Area of Figure, Gamma function
- Science: Physical constants, Metric conversion, Equation of motion, Periodic table, Outer electron, Stable isotopes, Meteorology, Solar/planetary constants, Amino acids formulae
- Engineering: Complex numbers, Electrical formulas, Electric & magnetic fields, Laplace transform, Mechanical formulae.
- Stats: Normal distribution, t Distribution, Chi-square distribution, F distribution
For more calculator videos check out my channel youtube.com/CalculatorCulture
For more information about 'dc' check out the following links
- en.wikipedia.org/wiki/Dc_(computer_program)
- esolangs.org/wiki/Dc
- bell-labs.com/usr/dmr/www/man12.pdf - 'dc' documented in the section 2 of the first edition of the Unix Programmer's Manual from Nov 3, 1971
Thank you to Doug McIlroy, Brian Kernighan and Robert T Morris for answering questions related to the history of 'dc' that was helpful for making this video.
For more calculator videos check out my channel: youtube.com/CalculatorCulture
In this video I talk about the 27S' basic usage, its various apps and menus and the HP solver.
For a document that goes into advanced usage of the solver check out the following link:
- http://www.mh-aerotools.de/hp/documents/Solver%20GET-LET.pdf
For more calculator videos check out my channel: youtube.com/CalculatorCulture
In this videoI talk through the calculator's hardware, basic usage and Base-n mode. I also show some examples of fx-4000P programs.
For more information about the fx-4000P check out the following links:
- hpmuseum.org/forum/thread-14587.html
- rskey.org/CMS/index.php/exhibit-hall/7?manufacturer=Casio&model=fx-4000P
- hpmuseum.org/forum/thread-5278.html
For more calculator videos check out my channel youtube.com/CalculatorCulture
A review of Texas Instrument's flagship graphing calculator.
In the video I talk mostly about the CX II's hardware and document-centricity. I show an example of a document about the Fundamental Theorem of Calculus as well as an exploration of the Collatz conjecture. I also compare the CX II briefly to the HP Prime.
For more calculator videos check out my channel youtube.com/CalculatorCulture
For more information about the HP 70 check out: hpmuseum.org/hp70.htm
For more calculator videos, check out my stream: youtube.com/CalculatorCulture
In this review, I talk about the basic usage of the fx-5800P, its complex number and matrix support, its BASE-N mode, and its formula functionality. I also show an example of a BASIC program to solve the N-Queens chess problem.
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I talk through its physical design and usage. I show three programming examples, including a program to solve N-Queens and another to output music via the FA-2 cassette adapter.
More more information about the 602p check out the following links:
- http://www.voidware.com/calcs/fx602p.htm
- http://www.rskey.org/fx602p
- http://ernst.mulder.com/calculators/casio-fx602p-body.html
- http://fx-602p.krischik.com/index.php/Main/TokenCodes
- http://www.asahi-net.or.jp/~EY5K-MYHR/fx602p_e.htm
There is a high quality simulator available for the Casio fx-602P here:
- http://fx-602p.krischik.com/index.php/Simulator/HomePage
For more calculator videos check out my channel: youtube.com/CalculatorCulture
You can buy the HP 12C Platinum on Amazon using the affiliate link:
- amzn.to/2VHIZRM
This video was made using information from the HP collectors community, particularly on hpmuseum.org:
- hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv021.cgi?read=217927
- hpmuseum.org/forum/archive/index.php?thread-5180.html
For information about the 12C's financial algorithms check out the article "Printing Financial Calculator Sets New Standards for Accuracy and Capability" in this issue of The Hewlett Packard Journal:
- hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-10.pdf
For more information about how RPN has evolved over the years check out:
- http://h20331.www2.hp.com/hpsub/downloads/S07%20HP%20RPN%20Evolves%20V5b.pdf
For images of a great collection of HP 12Cs, including the rare blue variant check out:
- flickr.com/photos/keithmidson/sets/72157627586986282
And for more calculator videos check out my my channel youtube.com/CalculatorCulture
For more information about the TI-68 check out the following links:
- rskey.org/ti68
- en.wikipedia.org/wiki/TI-68
- manualslib.com/manual/325926/Texas-Instruments-Ti-68.html
For more calculator videos check out my channel: youtube.com/CalculatorCulture
For more information about the EL-512S and AER, check out the following links:
- http://www.arithmomuseum.com/album.php?lang=en&cat=c&id=388
- http://www.arithmomuseum.com/szamologep.php?id=25&lang=en
For more calculator videos check out my channel youtube.com/CalculatorCulture
In the video I walk through an example of an 8-Queens solution in BASIC, C and Z80 assembler. I also demonstrate the RAM disk functionality and the machine language monitor.
For another video showing how the G850V can be used to program a PIC microcontroller, check out youtube.com/watch?v=I7VGX80kyEA
And for information about the N-Queens calculator benchmark, and the Z80 source check out hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/articles.cgi?read=700
And for more calculator videos check out my channel youtube.com/CalculatorCulture


