Computing and Informatics
with xeR

Welcome!

Course web applications for learning, exploration, and hands-on computing.

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My Courses

Interactive applications organized for your classes.

General
This is not actually a course. Instead, it is designed to host web applications for general teaching use.
2 apps
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Student Grouping
Randomly assigns students into balanced groups from a CSV file, revealing one student per second from Group 1 to the last group. Displays live group lists, final assignments, distribution summaries, and allows CSV download.
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Topic Selection
A simple interactive web app that randomly selects topics from an uploaded CSV. Topics are rapidly highlighted every 0.1 second until stopped, then the selected topic moves to a separate list for easy tracking and classroom activities.
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Fundamentals of Business Analytics
The course provides students with an overview of current information technology trends driving today’s business. It fosters an understanding of data management techniques that help organizations achieve business goals and address operational challenges.
3 apps
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Introductory Data Management Process
An interactive app that demonstrates a simple data-management process using Philippine business and organizational scenarios, with data-quality challenges, decision exercises, and quick checks.
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Simple Analytics Demonstration
This application demonstrates the four types of business analytics—descriptive, diagnostic, predictive, and prescriptive—using a Philippine-based business dataset to support data-driven decision-making.
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Simple Business Intelligence Demonstration
An interactive offline BI demonstration using Philippine retail data. Students can edit sales and quantities, filter and group data, view summaries, and identify business patterns to support decision-making.
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Quantitative Methods
This course focuses on using appropriate mathematical tools for decision-making and implementing these methods in IT solutions to problems.
4 apps
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Mathematical Modeling
An interactive learning tool that guides students in identifying variables and parameters and building mathematical models and functions from Philippine business and IT scenarios, with editable values and instant results.
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Data Measurement Learning Tool
An interactive learning tool that helps students classify data by the four measurement levels and distinguish discrete from continuous data using examples, guided decision trees, practice quizzes, and instant feedback.
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Probability Learning Application
An interactive learning application that helps students understand probability concepts through Philippine and IT-related examples. Students can modify values, recalculate results, interpret findings, and explore limitations for 16 practice examples.
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Statistical Test Selector
An interactive learning application that guides students in selecting the appropriate statistical test by examining research questions, data structure, measurement levels, and assumptions through Philippine higher-education scenarios.
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Analytics Application
The course aims to provide students with applications that help organizations develop insights to make better, more timely decisions and automate processes.
2 apps
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Basic Customer Analytics Dashboard
This application demonstrates basic customer and sales analytics using CSV data. Students can inspect data, analyze sales performance, compare business measures, and interpret results to support organizational decision-making.
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Basic Customer and Spatial Analytics Dashboard
This application demonstrates basic customer and location-based business analysis from a CSV file. Students can inspect data quality, analyze locations, compare business performance across locations, and interpret results for business decision-making.
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Others
A collection of learning materials, reviewers, resources, and interactive tools from various fields that complement computing and informatics or support broader academic and professional learning.
2 apps
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CPALE Reviewer
An interactive Philippine CPALE reviewer with 450 board-style questions across six PRC subject areas, featuring randomized quizzes, instant answer feedback, explanations, scoring, bookmarks, and review of missed items.
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LEPT Mathematics Reviewer
An interactive Philippine LEPT Mathematics reviewer with 420 board-style questions covering General Education, Professional Education, and Mathematics, with randomized quizzes, instant feedback, explanations, scoring, and missed-item review.
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Related Sites

Selected resources and related websites

Z

Z.com Web Hosting

Domain and web hosting services

Visit site ↗
B

BSIS

Bachelor of Science in Information Systems

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