Two-Color Counters. These versatile Two-Color Counters are thicker than most other counters and easy for students to manipulate. They can be used to teach number and operations concepts, such as patterning, addition and subtraction, and multiplication and division. Counters can also be used to introduce students to basic ideas of probability ...

Nissan nv passenger van for sale in kyIt would be nice to explain the mathematical convention, but the question is "why are they used as counters in control structures", so until someone produces an answer that goes back further, this is the best. It does at least speculate why it's used in mathematics. A proper mathematical historian could find out, maybe using a binary chop.

Problem-solving is the cornerstone of school mathematics. The main reason of learning mathematics is to be able to solve problems. Mathematics is a powerful tool that can be used to solve a vast variety of problems in technol-ogy, science, business and ﬁnance, medecine, and daily life.