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case study Product Engineering

Responsive, cloud-hosted simulations to refresh legacy statistics courseware 

An education technology provider needed to modernize legacy courseware that lacked interactivity and worked only on Windows devices. CES built a responsive simulation platform as a Progressive Web App (PWA) using a reusable framework, enabling interactive math and statistics simulations across devices. The new courseware improved accessibility, visual appeal, and customer adoption across schools and institutions. 

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The Challenge

Legacy courseware with limited interactivity

Legacy courseware with limited interactivity

Windows-only access across form factors

Windows-only access across form factors

No reusable framework to scale simulations

No reusable framework to scale simulations

the client

Education (EdTech / Simulation Courseware)

United States (South Carolina)

Technology Stack

  • HTML5
  • jQuery
  • JSON
  • Cloud hosting services

Solution Area

  • Education | Interactive Simulation Courseware (PWA)

the impact

Cloud-hosted SaaS courseware access

Multi-device simulation availability

Improved courseware look-and-feel

New school/institution onboarding

how we did it

Courseware-modernization-led.

Cleaner experience, broader access.

The Need & The Challenges
The CES Solution
Results & Business Impact

The Need

The provider needed a responsive web application with multiple interactive simulations to support statistics learning. The goal was to move beyond a Windows-only legacy product, improve interactivity, and deliver consistent access across devices through a cloud-hosted model.

Challenges

  • Legacy limitations: The existing application did not offer interactive simulation features expected in modern courseware.
  • Windows-only access: The courseware could not reach learners across phones, tablets, and modern browsers.
  • No reusable simulation architecture: The team lacked a scalable framework to build new simulations without rebuilding components each time.
  • Reusable framework for simulation delivery: Built a reusable structure to create multiple simulations (math, statistics, related topics) with minimal customization.
  • Interactive controls for learner input: Created jQuery-based UI controls (sliders, buttons) to capture user input and drive simulation behavior.
  • JSON-based simulation logic and plotting triggers: Triggered JSON data values to plot and update simulation elements based on user interaction.
  • Simulationrenderingand responsive page build: Developed simulations using on-screen elements such as axes, lines, curves, circles, and combined them into accessible web pages per simulation.
  • Validation for content, responsiveness, and accessibility: Tested simulation content, responsiveness, and accessibility across pages to ensure consistent behavior across devices.
  • Courseware migrated and hosted on the cloud (SaaS model)
  • Interactive simulations accessible across platforms and devices
  • Refreshed UI aesthetics improved product differentiation in a competitive market
  • Supported new customer onboarding across schools and educational institutions after release
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A legacy course refreshed. A multi‑device simulation experience delivered. This responsive PWA framework modernized legacy courseware with interactive simulations—improving access, usability, and adoption across devices.