Math Toolkit

Simulation and Modeling

Testing odds with simulations, spreadsheets and simple models.

How Many Trials Make a Simulation Reliable?

Learn how the number of simulation trials sets the precision of an estimate, with the square-root rule, sample-size examples and the trouble with rare events.

4 min read

Markov Chains and Board Game Movement

A plain introduction to Markov chains as a model for board game progress: states, transition probabilities, a small worked track and what the model can predict.

5 min read

Simulating Dice Rolls in a Spreadsheet

Set up a two-dice experiment in a spreadsheet with RANDBETWEEN and COUNTIF, build a frequency table, and compare results with the exact probabilities.

4 min read

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