Interactive Learning Modules

Interactive exercises on accounting: inventory, balance sheet equation and value changes.

Cost calculation, qualitative criteria and utility analysis — with interactive tools and self-assessment.

Interactive OER math portal with 2 modules, 40 exercises and 13 languages — mathematics, the universal language.

Maths preparation for the intermediate school leaving certificate: 8 topics with exam training and instant feedback.

Maths preparation for the first school leaving certificate: 9 topics from basic arithmetic to geometry.

Fractions for years 5 and 6, discovered rather than drilled: 8 stations, a seven-phase pattern and a teacher cockpit (Ctrl+Shift+L).

Solve systems of linear equations with confidence: the Gaussian method step by step, with a 2D plot, an exact fraction solver and 8 topics.

Ready for vocational upper secondary school: 9 topics from terms to functions, with a core loop, gamification and the mascot Zeta.

Quadratic equations from the parabola to the word problem: 24 exercises across 6 levels, with the pq formula, Vieta's theorem and projectile parabolas.

Practical course for the digital workplace: AI prompting, workflow automation and market analysis with real tools.

Learn n8n: build workflows, connect APIs and automate processes — interactively in the browser.

Version control with GitHub made simple: Single Source of Truth, collaboration and AI integration.

Interactive Excel course: formulas, sums, budget planning — learn playfully with XP and badges.

Practice word processing with a TipTap editor. 24 exercises across 6 levels, bilingual (German + Ukrainian).

Interactive bookkeeping course: balance sheet, T-accounts, journal entries, P&L and VAT — gamified with Keller OHG.

Exam preparation: single-stage and multi-stage contribution margin, break-even, price floors and bottleneck optimisation, set at NordSport GmbH.

IHK exam preparation for wholesale and foreign trade management with 60 exercises and exam simulation.

Valuing fixed and current assets in wholesale: 8 topics with interactive calculators and decision widgets.

History in year 11, power and rule: from antiquity to reunification with Prof. Chronos and 16 characters, knowledge pages, tasks and more than 80 interactive stations.

Docker basics as an interactive explorer journey: containers, images and practice scenarios.

Learn programming through music: live coding based on strudel.cc, one concept per chapter, in plain language. From your first beat to a piece of your own.

Your personal learning progress across all modules — XP, badges, heatmap and weakness analysis.