Abacus

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.

Requires a Wolfram Notebook System

Edit on desktop, mobile and cloud with any Wolfram Language product.

An abacus computes numbers by sliding beads on rods. In this Demonstration, click a bead to move it. The upper disks add 5. Thus each row can store the digits between 0 and 9.

Contributed by: Michael Schreiber (June 2009)
Open content licensed under CC BY-NC-SA


Snapshots


Details

detailSectionParagraph


Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
Send