English: A binary abacus constructed by Dr. Robert C. Good, Jr.
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes. (删除该图像的所有修订版本) (当前) 10:14 2005年2月13日 . . Smartneddy (Talk | 贡献 | 查封) . . 469×94 (15,113字节) (长算盘) In some countries this may not be legally possible; if so: Staecker grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. The Chinese abacus, known as the suanpan (算盤, lit. "calculating tray"), is typically 20 cm (8 in) tall and comes in various widths depending on the operator. Make You Own Soroban Abacus: The abacus has been around for centuries as a counting tool. It has mainly been used in the East, Russia and Europe. It is versatile as you can add, subtract, multiply and divide numbers on base 10 (normal…
Abacus - all metal. There are two color options to choose from - brown and silver.. Price 345 € not including VAT For kids who learn better through visual and tactile experiences, an abacus is a great way to learn about numbers and arithmetic. This abacus is easy to make. It contains 10 rows of 10 beads each, so that numbers up to 100 can be… This is an archive of past discussions. Do not edit the contents of this page. If you wish to start a new discussion or revive an old one, please do so on the current talk page. Men, exercise, feat, shore, free time, summer Fortepan 62194.jpg Telramen op de bank in de klas Counting-frames in classroom.jpg (409 × 307 pixels, file size: 38 KB, MIME type: image/jpeg) Old Baby foot game.jpg
Del ábaco a la smart city en viñetas y más' 5.jpg A stool in the elevator.jpg From Wikimedia Commons, the free media repository The major sub-category Category:Teaching illustrations holds a large number of classified categories by subject and languages of the legends of the images (illustrations). The film premiered at the 2016 Toronto International Film Festival, where it was first runner-up for the People's Choice Award in the documentary category. It aired on the PBS documentary series Frontline in 2017 and is available for online…
This is an archive of past discussions. Do not edit the contents of this page. If you wish to start a new discussion or revive an old one, please do so on the current talk page. Men, exercise, feat, shore, free time, summer Fortepan 62194.jpg Telramen op de bank in de klas Counting-frames in classroom.jpg (409 × 307 pixels, file size: 38 KB, MIME type: image/jpeg) Old Baby foot game.jpg
Outline illustration of children abacus vector icon for web. Download a Free Preview or High Quality Adobe Illustrator Ai, EPS, PDF and High Resolution JPEG
