Teach Ethiopia

Angular JS

AngularJS was a JavaScript-based open-source front-end web framework for developing single-page applications. It was maintained mainly by Google and a community of individuals and corporations. It aimed to simplify both the development and the testing of such applications by providing a framework for client-side model–view–controller (MVC) and model–view–viewmodel (MVVM) architectures, along with components commonly used in web applications and progressive web applications.


Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. Its language constructs and object-oriented approach aim to help programmers write clear, logical code for small- and large-scale projects.

Ratio, Proportion and Percentage

Proportion is the relation or the equality between two ratios or fractions, while the percentage is a ratio or a fraction whose denominator is always 100. Both proportion and percentage can be written as fractions. The percentage is out of 100. The Proportion is out of any given total.

Rational Numbers

Rational numbers are one very common type of number that we usually study after integers in math. These numbers are in the form of a/b, where a and b can be any integer and b ≠ 0. Most often people find it confusing to differentiate between fractions and rational numbers because of the basic structure of numbers, …

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