Go Math Science

by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10

Covers the midpoint formula and the general section formula for a point dividing a segment internally in a given ratio.

Located in Mathematics / Calculus / From Geometry to Coordinate Geometry

Equations of a Line: Point-Slope, Slope-Intercept, Two-Point, and Intercept Forms

by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10, Year 9

Covers the equations of horizontal and vertical lines, and the point-slope, slope-intercept, two-point, and intercept forms of the equation of a nonvertical ...

Located in Mathematics / Calculus / From Geometry to Coordinate Geometry

General Linear Equation, Parallel and Perpendicular Lines, and the Angle Between Lines

by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10

Covers the general form Ax+By+C=0, its slope and intercepts, the slope conditions for parallel and perpendicular lines, and the formula for the angle between ...

Located in Mathematics / Calculus / From Geometry to Coordinate Geometry

Definitions

by Dr. Osama M. Khaled — published Jun 01, 2022 — last modified Jul 18, 2025 07:21 AM — filed under: Year 10

Important definitions to know when working with names, bindings, and scopes

Located in Computing / … / Concepts / Names, Bindings, and Scopes

Name Forms

by Dr. Osama M. Khaled — published Jun 02, 2022 — last modified Jul 18, 2025 07:14 AM — filed under: Year 10

A name is a string of characters used to identify some entity in a program.

Located in Computing / … / Concepts / Names, Bindings, and Scopes

Special Words

by Dr. Osama M. Khaled — published Jun 01, 2022 — last modified Jul 13, 2024 10:41 PM — filed under: Year 10

Special words in programming languages are used to make programs more readable by naming actions to be performed

Located in Computing / … / Concepts / Names, Bindings, and Scopes

Variables

by Dr. Osama M. Khaled — published Jun 03, 2022 — last modified Jul 13, 2024 10:40 PM — filed under: Year 10

Programmers often think of variable names as names for memory locations, but there is much more to a variable than just a name.

Located in Computing / … / Concepts / Names, Bindings, and Scopes

Java History

by Dr. Osama M. Khaled — published May 03, 2022 — last modified Jul 13, 2024 10:47 PM — filed under: Year 10

You may think that history makes facts. You will be amazed to know Java history. Take the quiz to know more

Located in Computing / Programming / Java

A Quick Look at C++

by Dr. Osama M. Khaled — published Sep 22, 2022 — last modified Jul 13, 2024 10:06 PM — filed under: Year 10

A simple and basic C++ code example. Explore your logical understanding of programming wither you are a beginner or it is your first C++ encounter.

Located in Computing / … / C++ / Basic Elements

Environment Setup

by Dr. Osama M. Khaled — published Sep 27, 2022 — last modified Jul 13, 2024 10:05 PM — filed under: Year 10

Setting up python programming environment

Located in Computing / … / Python / Introduction

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