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Education and research are most exciting when they move out of the lecture hall
and library and provide opportunity to create, experience, and see. STELLA®
offers a practical way to dynamically visualize and communicate how complex
systems and ideas really work.
Whether they are first-time or experienced modelers, teachers, students, and
researchers use STELLA to explore and answer endless questions like:
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"STELLA gives us an enormously powerful and flexible
tool for creating environments that allow people to learn by doing."
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Dennis Meadows
President, Laboratory for
Interactive Learning
Co-author Limits To Growth:
The 30 Year Update
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How does climate change influence an ecosystem over time?
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Would Hamlet’s fate have changed if he’d killed Claudius earlier?
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How do oil prices respond to shocks in supply and/or demand?
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What will happen when the ozone layer is gone?
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How do basic macroeconomic principles affect income and consumption?
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Easy-to-use, STELLA models provide endless opportunities to explore by asking
"what if," and watching what happens, inspiring the exciting ah-ha moments of
learning.
Thousands of educators and researchers have made STELLA the gold standard; using
it to study everything from economics to physics, literature to calculus,
chemistry to public policy. K-12, college, and research communities have
all recognized STELLA’s unique ability to stimulate learning.
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"In my 35 years of teaching, I’ve never seen a tool
like STELLA. It significantly increases a student’s ability to understand and
communicate what they’ve learned."
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Diana Fisher,
Wilson HS, Portland, OR
Author Modeling Dynamic
Systems
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You know that your students have learned when they can, in turn, explain. STELLA
models allow you to communicate how a system works – what goes in, how the
system is impacted, what are the outcomes.
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STELLA supports diverse learning styles with a wide range of storytelling
features. Diagrams, charts, and animation help visual learners discover
relationships between variables in an equation. Verbal learners might surround
visual models with words or attach documents to explain the impact of a new
environmental policy.
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Click to Enlarge Screenshot 
Storytelling provides an easy way to explain a model.
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| Use STELLA to: |
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Simulate a system over time |
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Jump the gap between theory and the real world |
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Enable students to creatively change systems |
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Teach students to look for relationships – see the Big Picture |
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Clearly communicate system inputs and outputs and demonstrate
outcomes |
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Learn More...
View Sample Models
Run Tutorials
Read Case Studies
About isee NetSim
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| Mapping and Modeling |
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Intuitive icon-based graphical interface simplifies
model building |
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Stock and Flow diagrams support the common language of Systems
Thinking and provide insight into how systems work |
Click to Enlarge Screenshot
Modeling helps student understand systems like
sustainable shrimping.
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Enhanced stock types enable discrete and continuous processes with
support for queues, ovens, and enhanced conveyors |
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Causal Loop Diagrams present overall causal
relationships |
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Model equations are automatically generated and made
accessible beneath the model layer |
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Built-in functions facilitate mathematical,
statistical, and logical operations |
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Arrays simply represent repeated model structure |
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Modules support multi-level, hierarchical model structures that can serve as “building blocks” for model construction |
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| Simulation and Analysis |
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Simulations "run" systems over time |
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Sensitivity analysis reveals key leverage points and optimal
conditions |
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Partial model simulations focus analysis on specific sectors or modules of
the model |
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Results presented as graphs, tables, animations, QuickTime movies,
and files |
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Dynamic data import/export links to Microsoft® Excel |
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| Communication |
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Flight simulators and dashboards describe model components and
facilitate manipulation |
Click to Enlarge Screenshot
Dashboards bridge the gap
between theory and reality.
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Input devices include knobs, sliders, switches, and buttons |
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Output devices highlight outcomes with warning
flashers, text, graphs, tables, and reports |
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Storytelling supports step-by-step model unveiling
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Causal Loop Diagrams present dominant feedback loops
within structure |
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Sketchable graphs allow easy comparison of expected
results with actual simulations |
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Export for NetSim support publishing and sharing model over the web using
isee NetSim add-on software |
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Save as Runtime option creates full-screen, runtime
models |
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Multimedia support triggers graphics, movies, sounds,
and text messages based on model conditions |
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Model security features allow locking or password
protection |
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For Windows:
233 MHz Pentium
Microsoft Windows™ 2000/XP/Vista
(English Version)
128 MB RAM
90 MB disk space
QuickTime |
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For Macintosh:
120 MHz PowerPC or
any Intel-based Mac
Mac OS 10.2.8 or higher
128 MB RAM
90 MB disk space
QuickTime
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