Explore Simulations
Discover interactive simulations and professional tools for every level
Featured Simulations
Fab Exhaust Heat Recovery Screener
Free professional semiconductor fab exhaust heat recovery screening tool. Evaluate four exhaust stream types (general, acid, solvent, heat) for energy recovery potential. Calculate recoverable kW by stream, assess corrosion and contamination risks, compare recovery technologies (run-around coils, heat pipes, heat wheels), and estimate ROI with payback period. Includes stream-level Sankey diagrams, technology comparison radar charts, risk matrices, cumulative savings projections, and exportable engineering reports.
View Simulation
Synthetic Data Scenario Builder: Generate LLM Evaluation Benchmarks & Test Datasets
Professional synthetic evaluation dataset generation tool for LLM benchmarks. Define scenario templates with difficulty levels, required capabilities (reasoning, coding, extraction, math). Control distribution of topics, edge cases, and adversarial examples. Visualize dataset composition with animated charts, balance analysis, and coverage heatmaps. Export in standard eval formats (JSONL, MMLU-style, HumanEval-style). Features 6 animated visualizations, scenario template library, capability radar chart, difficulty distribution histogram, adversarial example injector, and batch generation with quality scoring.
View Simulation
AI Retrieval Failure Mode Mapper
Professional RAG diagnostics tool for categorizing retrieval failures: wrong document retrieved, right document wrong chunk, chunk boundary splitting key information, embedding similarity not capturing semantic relevance, stale index, metadata filter mismatch, and more. Input failure examples, classify root causes with animated decision tree, view failure distribution heatmaps, get actionable fix recommendations, and export diagnostic reports. Features 8 failure modes, severity scoring, animated Sankey flow, and V&V validated classification logic.
View Simulation
BTU Calculator: Heating & Cooling Load Estimator
Free BTU calculator for heating and cooling load estimation. Calculate how many BTU you need for any room or whole house based on dimensions, insulation, climate zone, windows, and occupants. Uses simplified ASHRAE Manual J methods with latent/sensible split, tonnage conversion, equipment sizing, oversizing penalty warnings, and annual energy cost estimates.
View SimulationShowing 1-12 of 784 simulations
Photosynthesis Lab Simulator
Free photosynthesis rate simulator. Adjust light intensity, CO2 concentration, and temperature to measure oxygen production rate. Identify limiting factors and optimal growing conditions. Perfect for biology and botany students. Try it free!
View Simulation
Seasons Simulator - Earth Axial Tilt & Day Length
Free seasons simulator showing how Earth's 23.5° axial tilt creates seasons. Visualize solstices, equinoxes, day length changes, and sunlight angles throughout the year.
View Simulation
Sorting Algorithm Visualizer
Free sorting algorithm visualizer. Compare bubble sort, merge sort, quick sort, and heap sort step-by-step. Track comparisons, swaps, and time complexity O(n log n) vs O(n²).
View Simulation
Cell Division Mitosis Simulation - Interphase vs Prophase Comparison
Explore cell division with our free interactive mitosis simulation. Step through each phase and visualize chromosome separation. Perfect for biology students. Try it now!
View Simulation
Bridge Stress Simulator
Explore bridge stress with our free interactive truss simulator. Adjust loads and bridge types to visualize tension and compression. Perfect for engineering students. Try it now!
View Simulation
PID Controller Tuning Simulator
Free PID controller tuning simulator. Adjust proportional, integral, and derivative gains to optimize step response. Visualize overshoot, settling time, and steady-state error in real-time. Perfect for control engineering students. Try it free!
View Simulation
Wood Beam Span Calculator — Lumber Sizing per NDS & IRC
NDS 2024-compliant wood beam span calculator with species/grade selection, bending/shear/deflection checks, adjustment factors, and animated beam visualization. Supports lumber, glulam, and LVL members.
View Simulation
Sound Wave Simulator with Real Audio - Hear & See Waves
Explore sound waves with our free audio simulator. Adjust frequency, amplitude, and waveform to hear and see waves in real-time. Perfect for physics students. Try it now!
View Simulation
Mendelian Genetics Breeding Simulator
Explore Mendelian genetics with our free interactive breeding simulation. Adjust traits and generations to visualize inheritance patterns. Perfect for biology students. Try it now!
View Simulation
Nuclear Reactor Power Plant Simulator
Interactive nuclear reactor power plant simulator covering 8 reactor types: PWR, BWR, CANDU, SMR, micro reactors, thorium MSR, sodium-cooled fast breeders, and Gen IV HTGR. An advanced-engineering-tool for nuclear power analysis with real-time neutronics, thermal-hydraulics, decay heat modeling, LCOE economics, and animated reactor schematics.
View Simulation
Electric Field Visualizer
Free electric field simulator using Coulomb's law F=kq₁q₂/r². Place positive and negative charges to visualize field lines, equipotential surfaces, and calculate field strength.
View Simulation
Root Locus Plotter
Plot root locus diagrams interactively with our free online simulator. Adjust gain K, place poles and zeros, and visualize closed-loop stability in real-time. Ideal for control systems students and engineers.
View Simulation