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History

by Dr. Osama M. Khaled — published Jun 26, 2022 — last modified Jul 13, 2024 10:32 PM — filed under: Year 9

Test your basic knowledge in history of computers

Located in Computing / Hardware / Introduction

History of Algebra

by Dr. Osama M. Khaled — published Jun 04, 2022 — last modified Jul 23, 2025 03:32 AM — filed under: Year 9

Algebra is one of the major branches of mathematics which was established by Muslim Arabs.

Located in Mathematics / Algebra / Basics

History of Geometry

by Dr. Osama M. Khaled — published May 22, 2022 — last modified Jun 09, 2025 08:46 PM — filed under: Year 9

Good to know historical information about geometry

Located in Mathematics / Geometry / Fundamentals

How much do you know about the importance of Software Engineering?

by Dr. Osama M. Khaled — published May 27, 2026 — last modified May 27, 2026 12:15 PM — filed under: Year 9, Year 10, Undergraduate

Learn why software engineering is important in the computing field

Located in Computing / Software Engineering / Get Started

Identify bases and exponents

by Dr. Osama M. Khaled — published Dec 16, 2023 — last modified Jul 12, 2024 10:19 PM — filed under: Year 9

An exponent indicates repeated multiplication as a shortcut method of how many times the base is used as a factor.

Located in Mathematics / Algebra / Multiplication Rules for Exponents

Introductory concepts in Biology - 1

by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified Jul 23, 2026 12:24 PM — filed under: Year 9 Located in Biology / Basics

Introductory concepts in Biology - 2

by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified Jul 13, 2024 10:49 PM — filed under: Year 9 Located in Biology / Basics

Introductory concepts in Biology - 3

by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified Jul 13, 2024 10:48 PM — filed under: Year 9 Located in Biology / Basics

Irrational and Real Numbers

by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:23 AM — filed under: Year 9

Explore irrational numbers, the real number system, and the property of denseness.

Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra

Kepler's Laws

by Dr. Osama M. Khaled — published Mar 27, 2024 — last modified Jul 13, 2024 12:47 PM — filed under: Year 9

About 50 years before Newton formulated the law of gravity, Johanne Kepler (1571-1630) had found some rules that could be used to calculate the orbits of the ...

Located in Physics / Gravity

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