Configurations	JS
Chinese Abacus * (Suanpan)
Korean Abacus * (Jupan, AKA Japanese Soroban pre-WWII)
Japanese Abacus * (Soroban post-WWII)
Roman Hand Abacus * right most column twelfths and Ancient Roman Numerals in display
Roman Hand Abacus * right most column eighths and Modern Roman Numerals on abacus
Ivory Roman Hand Abacus * from 2nd - 5th Century
Russian Abacus * (Schoty)
Old Russian Abacus * (Schoty w/ 1/4 Kopek)
Danish School Abacus *
Medieval Counters *
British Abacus * An abacus from the British Museum from the 17th century
Vietnamese Abacus * (unusual example as normally of Chinese-Japanese type)
Base 16 Japanese Abacus *
Chinese Abacus * (base 16)
Reconfigured Abacus to represent Chinese Solid-And-Broken-Bar System * (base 12)
Mesoamerican Abacus * (Nepohualtzintzin, similar to a Soroban base 20)
Calendar Mesoamerican Abacus (Nepohualtzintzin)
Sumerian Abacus (reconstruction as no examples or diagrams exist from era)
Base 2 Abacus
Georgian Abacus * (Russian base 20, for warmer climate (no shoes), do not take seriously)
US Currency Dollar
European Currency Euro
Counters with British Currency Pound
British Currency Pound
Japanese Currency Yen
South Korean Currency Won
Russian Currency Ruble
Old Russian Currency Ruble
Lee's Abacus * Principal Chinese with a Nonevenly Distributed 7/13 Rail Auxiliary
Lee's Abacus * Principal Korean with a Nonevenly Distributed 7/11 Rail Auxiliary
Lee's Abacus * Principal Chinese with a Evenly Distributed 9 Rail Auxiliary

Configurations

Korean Abacus *
(Jupan, AKA Japanese
Soroban pre-WWII)

Japanese Abacus *
(Soroban post-WWII)

Roman Hand Abacus *
right most column twelfths and
Ancient Roman Numerals in display

Roman Hand Abacus *
right most column eighths and
Modern Roman Numerals on abacus

Ivory Roman Hand Abacus *
from 2nd - 5th Century

Russian Abacus *
(Schoty)

Old Russian Abacus *
(Schoty w/ 1/4 Kopek)

Danish School Abacus *

Medieval Counters *

British Abacus *
An abacus from the British Museum
from the 17th century

Vietnamese Abacus *
(unusual example as normally
of Chinese-Japanese type)

Base 16 Japanese Abacus *

Chinese Abacus *
(base 16)

Reconfigured Abacus to represent
Chinese Solid-And-Broken-Bar System *
(base 12)

Mesoamerican Abacus *
(Nepohualtzintzin,
similar to a Soroban base 20)

Calendar Mesoamerican Abacus
(Nepohualtzintzin)

Sumerian Abacus
(reconstruction as no examples
or diagrams exist from era)

Base 2 Abacus

Georgian Abacus *
(Russian base 20, for warmer climate
(no shoes), do not take seriously)

US Currency
Dollar

European Currency
Euro

Counters with British Currency
Pound

British Currency
Pound

Japanese Currency
Yen

South Korean Currency
Won

Russian Currency
Ruble

Old Russian Currency
Ruble

Lee's Abacus *
Principal Chinese with a Nonevenly
Distributed 7/13 Rail Auxiliary

Lee's Abacus *
Principal Korean with a Nonevenly
Distributed 7/11 Rail Auxiliary

Lee's Abacus *
Principal Chinese with a Evenly
Distributed 9 Rail Auxiliary

Android Abacus

Abacus for my phone

Abacus Implementation for Android

Icon	Source Code	Executable
	Abacus.zip	Abacus.apk

Unzip somewhere and then put in Eclipse like File->Project->Android Project from Existing Code. Then build, install, and run as usual. Any trouble building and getting on your Android, let me know so I can make fixes or better instructions.

See project notes for todo list and history.

Java Abacus

Screenshot shown here running as: "java -jar AbacusApp.jar -lee=1"

Kamapichachi Actors Without Dress Photos -

The Japanese theatrical world is a vibrant tapestry of tradition and innovation. Among its many sub‑cultures, the Kamapichachi troupe—originally founded in the early 2000s as a fusion of avant‑garde performance art and classic kabuki—has attracted both acclaim and controversy. One of the most persistent flashpoints in recent years has been the circulation of undressed (i.e., nude or partially nude) photographs of its actors, often taken without consent and widely disseminated on the internet. This essay examines the origins of this phenomenon, its cultural and legal implications, the impact on the performers themselves, and the broader questions it raises about privacy, artistic freedom, and the commodification of the body in contemporary Japanese media.

Japan’s constitutional guarantee of freedom of speech collides with the right to privacy when images are disseminated without consent. Finding a balance that protects both artistic innovation and personal dignity remains an ongoing societal challenge. Kamapichachi Actors Without Dress Photos

The controversy surrounding undressed photographs of Kamapichachi actors is not merely a scandal of gossip columns; it is a flashpoint that exposes deep‑seated tensions in Japan’s cultural, legal, and technological landscapes. While the troupe’s artistic philosophy intentionally blurs the line between clothed performance and raw vulnerability, the unauthorized capture and distribution of nude images betray a breach of trust that harms both individuals and the art form itself. Addressing this issue demands a multi‑pronged approach: stronger legal protections, ethical standards within the theater community, and a shift in audience attitudes toward the sanctity of an artist’s bodily autonomy. Only by reconciling the desire for artistic daring with respect for personal privacy can Japanese performing arts continue to thrive in the digital age. The Japanese theatrical world is a vibrant tapestry

Under the Act on the Protection of Personal Information (APPI) and the Civil Code, individuals have the right to control the use of their likeness. However, jurisprudence regarding public figures is still evolving, and the threshold for proving “harm” can be high when the images are framed as “artistic.” Under the Act on the Protection of Personal

You can download the jar file (preserve the .jar extension), and then it can be run as an application like "java -jar AbacusApp.jar -rails=15" or "java -jar AbacusApp.jar -lee=1 -leftAuxRails=9 -rightAuxRails=9". The X Manual Page is written for the X version but may be useful to understanding the Java program.

Java Abacus

Abacus Implementation for Java

Icon	Source Code	Jar File
	abacus.zip	AbacusApp.jar

There is a feature for teachers to test students on the use the abacus. This would give the ability to create your own tests. Results would go into a results directory. Sample tests are given in zip file (there is only the one test so far). The idea is to move the beads to the correct position and then record the answer by a certain time.

See project notes for todo list and history.

X Abacus (and Windows too)

Still my favorite Abacus

Abacus Implementation for X (Linux and friends) and Windows

Icon	Latest Source	Latest Windows	Man Page	README	LSM	Older Versions	Ancient Versions
	xabacus-latest.tar.xz	wabacus-latest.zip	xabacus	xabacus.README	xabacus.lsm	At SillyCycle	At Ibiblio

A Transparent Abacus
Cat behind Abacus

Latest UNIX/VMS version is 8.9.3 and was written in C/C++. Windows version has same source and compiled with MinGW (though does have less features).

See project notes for todo list and history.

Kamapichachi Actors Without Dress Photos -

Contents

JavaScript Abacus

Android Abacus

Java Abacus

Kamapichachi Actors Without Dress Photos -

X Abacus (and Windows too)

Notes