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Interactive study tools for CIS courses — quizzes, graph renderers, concept maps, and Professor Twin AI assistant.

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CIS 2910

Discrete Math & Graph Theory

Graph JSON renderer with live SVG output, quiz, and knowledge dependency maps.

Graph Renderer JSON Schema 12 Presets

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CIS 3110

Operating Systems

Process management, scheduling algorithms, memory virtualization, and page replacement.

Processes Scheduling Memory

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CIS 3490

Analysis & Design of Algorithms

Sorting, divide & conquer, dynamic programming, greedy algorithms, NP-completeness.

Complexity DP Graph Algorithms

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JSON Schema

Examples

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JSON Editor

Top-Level Fields

Field	Type	Description
type*	string	Graph type
vertices*	array	List of vertex objects
edges*	array	List of edge objects
caption	string	Label shown below graph
layout	string	`auto` \| `circle` \| `bipartite` \| `grid` \| `manual`
n	number	Auto-generate vertices for named types

Graph Types

simpledirectedmultigraphpseudograph completecyclepathstar bipartitecomplete-bipartite hypercube

Vertex Fields

Field	Type	Description
id*	string	Unique id
label	string	Display label override
x, y	number	Manual position
color	string	`purple` \| `teal` \| `red` \| hex
group	string	`V1` or `V2` for bipartite

Edge Fields

Field	Type	Description
from, to*	string	Vertex ids
directed	bool	Draw arrow
weight	number	Edge weight label
curve	number	Parallel edge offset
loop	bool	Self-loop
style	string	`dashed` \| `highlight` \| `thick`

Graph Preview

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Operating Systems

CIS 3110 · Study Tools

Analysis & Algorithms

CIS 3490 · Study Tools

CIS 3490 INTERACTIVE STUDIO

📚 PROGRAMS →

17 interactive programs · sort viz (insertion / selection / bubble / merge) · bounds visualizer · Big-O proof workshop · DFS/BFS playground · search algorithms · Master Theorem fill-in-blank · trace mode · mock exam review · 50 flashcards · Professor Twin slider on every page

CIS 3490 TRAINING GROUNDS

🧪 PROGRAMS2 →

Modular rebuild · 28 algorithm modules · every-line Levitin pseudocode · interactive Q1–Q22 midterm · Gaussian Θ(n³) / Strassen / Master Theorem math · explanation essays · 12 visualization engines

🚨 EXAM CRITICAL

First-Move Drill

34 problems · type the exact opening line · keyword-graded · persistent mastered-set

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