Drivers and Variables Overview

Learn how Model Reef uses drivers and variables to structure your assumptions, power your formulas, and connect every part of your model with clarity and consistency.

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Watch: Build Your First Drivers and Variables

Follow these steps to create clean inputs, define assumptions, and understand how variables flow through your entire model.

Step 1: Create Drivers

Step 2: Define Variables

Step 3: Connect to Outputs

See the Difference Instantly

Before Model Reef, assumptions lived in scattered spreadsheets and were hard to track. Now drivers and variables live in one organised layer - clean, consistent and easy to reuse.

Task	Before Model Reef	After Model Reef
Define Assumptions	Scattered inputs	Centralised drivers
Set Up Variables	Inconsistent formats	Clean, typed variables
Connect Logic	Manual linking	Structured relationships

Your assumptions become the foundation of a cleaner, smarter model.

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A Clear Layer for All Your Assumptions

Drivers and variables bring order to your model - keeping assumptions consistent, structured and easy to update as your business changes.

Clarity in decisions

See exactly which inputs drive each part of your model.

Accuracy you can trust

Typed variables and structured drivers prevent errors and inconsistencies.

Speed that saves hours

Update assumptions once and let changes flow everywhere automatically.

Experience the power of structured assumptions.

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Keep Learning, Keep Exploring

Every tutorial builds on the last - helping you understand how drivers, variables, formulas and scenarios all connect inside Model Reef. Each new skill makes your model clearer, more flexible and far easier to maintain.

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