Recent Posts

Title Description Creator created Image
Multipying integers (vocabulary) Practice some vocabularies in while multiplying integers Dr. Osama M. Khaled May 07, 2026 07:21 AM
Divide two integers (definitions) Learn the mathematical definitions describing the division of two integers Dr. Osama M. Khaled May 05, 2026 08:35 PM
Divide two integers To divide two integers,divide their absolute values Dr. Osama M. Khaled May 05, 2026 08:40 AM
Solve application problems by multiplying integers Problems that involve repeated addition are often more easily solved using multiplication. Dr. Osama M. Khaled May 05, 2026 08:08 AM
Evaluate exponential expressions that have negative bases We evaluate exponential expressions with bases that are negative numbers. Dr. Osama M. Khaled May 04, 2026 08:27 PM
CBAP Practice Exam #13 Test your Business Analysis Knowledge using this practice exam on a business problem concerning legacy systems. Dr. Osama M. Khaled May 03, 2026 06:50 AM
Perform several multiplications to evaluate expressions To evaluate expressions that contain several multiplications,we make repeated use of the rules for multiplying two integers. Dr. Osama M. Khaled May 02, 2026 01:30 PM
Multiply two integers that have the same sign To multiply two integers that have the same sign,multiply their absolute values.The final answer is positive. Dr. Osama M. Khaled Apr 30, 2026 08:49 PM
Multiply two integers that have different signs To multiply a positive integer and a negative integer,multiply their absolute values.Then make the final answer negative. Dr. Osama M. Khaled Apr 29, 2026 08:23 PM
CBAP Practice Exam #12 The quiz provides a real-world business problem to test the examinee's knowledge decisions. Dr. Osama M. Khaled Apr 28, 2026 08:50 PM
CBAP Practice Exam #11 A CBAP exam practice focusing on the decisions a BA may take for a business problem. Dr. Osama M. Khaled Apr 27, 2026 09:26 PM
CBAP Practice Exam #10 A CBAP practice exam including 30 high-difficulty questions on Business Analysis Planning and Monitoring. Dr. Osama M. Khaled Apr 27, 2026 09:13 PM
CBAP Practice Exam #9 A CBAP practice exam including 30 high-difficulty questions focusing on Solution Evaluation. Dr. Osama M. Khaled Apr 27, 2026 09:08 PM
CBAP Practice Exam #8 A CBAP practice exam including 30 high-difficulty questions focusing on Requirements Analysis and Design Definition. Dr. Osama M. Khaled Apr 27, 2026 09:02 PM
CBAP Practice Exam #7 A CBAP practice exam including 30 high-difficulty questions focusing on Requirements Life Cycle Management. Dr. Osama M. Khaled Apr 27, 2026 08:56 PM
Solve application problems by subtracting integers Subtraction finds the difference between two numbers. When we find the difference between the maximum value and the minimum value of a collection of measurements, we are finding the range of the values. Dr. Osama M. Khaled Apr 25, 2026 04:08 AM
CBAP Practice Exam #6 A series of 30 high-difficulty, scenario-based questions focusing on the Elicitation and Collaboration knowledge area as defined in the BABOK® Guide v3. Dr. Osama M. Khaled Apr 25, 2026 02:29 AM
CBAP Practice Exam #5 A series of 30 high-difficulty, scenario-based questions focusing on the Strategy Analysis knowledge area as defined in the BABOK® Guide v3. Dr. Osama M. Khaled Mar 25, 2026 08:17 PM
CBAP Practice Exam #4 This set of questions tests your business analysis knowledge according to the IIBA BABOK® Guide v3.0. It presents various scenarios, including visual models, and asks you to make the most appropriate decision. Dr. Osama M. Khaled Mar 12, 2026 09:05 PM
CBAP Practice Exam #3 A comprehensive set of questions focusing on situational analysis and evaluative judgment. Dr. Osama M. Khaled Mar 09, 2026 07:39 PM
CBAP Practice Exam #2 a comprehensive practice quiz with 30 multiple-choice questions modeled after the IIBA® Certified Business Analysis Professional (CBAP®) exam. These questions mainly focus on the calculations required for a BA to reach for a judgement. Dr. Osama M. Khaled Mar 07, 2026 07:18 AM
CBAP Practice Exam #1 a comprehensive practice quiz with 30 multiple-choice questions modeled after the IIBA® Certified Business Analysis Professional (CBAP®) exam. These questions focus on the six Knowledge Areas of the BABOK® Guide v3, emphasizing complex case-study scenarios, stakeholder management, and the application of various BA techniques. Dr. Osama M. Khaled Mar 04, 2026 03:30 AM
Math Equation visualisation over a number line This tool is a Dynamic Mathematical Path Visualizer designed to bridge the gap between abstract equations and spatial reasoning. It transforms standard arithmetic (including complex expressions with parentheses) into a physical journey across an interactive number line. Dr. Osama M. Khaled Feb 25, 2026 02:29 AM
Evaluate expressions involving subtraction and addition Expressions can involve repeated subtraction or combinations of subtraction and addition. To evaluate them, we use the order of operations rule. Dr. Osama M. Khaled Feb 24, 2026 01:06 PM
Use the subtraction rule To subtract two integers, add the first integer to the opposite (additive inverse) of the integer to be subtracted. Dr. Osama M. Khaled Feb 19, 2026 02:06 PM
Online Editor Your canvas for clarity and creativity. Our editor takes the technical stress out of writing, handling everything from beautiful typography to high-quality equation rendering. Dr. Osama M. Khaled Feb 03, 2026 03:43 PM
Health and medical perspectives on the prohibition of pork in Islam While pork is a widely consumed red meat, it differs significantly from ruminant meats (beef and lamb) in terms of the animal's digestive physiology, metabolic waste processing, and susceptibility to zoonotic pathogens. This article explores the biological traits of pigs and examines why certain scientific and health perspectives categorize pork as a higher-risk meat compared to cow and sheep products and gives the Islamic perspective as well. Dr. Osama M. Khaled Dec 31, 2025 05:00 AM
The Primordial Origin: Cosmological Singularity and the Quranic Paradigm Modern physical cosmology posits that the universe originated from a singular point of infinite density and temperature, an event commonly known as the Big Bang. This article examines the convergence between contemporary astrophysical models—specifically the Friedmann-Lemaître-Robertson-Walker (FLRW) metric—and 7th-century Quranic descriptions of cosmic origins. By synthesizing perspectives from Western theoretical physicists and Islamic scholars, this paper explores the "Ratq" and "Fatq" (sewing and rending) concepts as early theological precursors to the concept of the Primordial Singularity and subsequent cosmic expansion. Dr. Osama M. Khaled Dec 31, 2025 04:37 AM
Requirements Analyser API (/++requirements_analyser) The Requirements Analyser service processes unstructured English text and extracts structured requirement-engineering artefacts Dr. Osama M. Khaled Dec 30, 2025 05:06 AM
Requirements Analyzer This tool uses Natural Language Processing (NLP) and AI technology to analyse unstructured text and extract requirements details in a structure format Dr. Osama M. Khaled Dec 28, 2025 04:39 AM