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Colin Troy, Mathematics Reviewer

Professional head-and-shoulders portrait of a smiling man in a suit with short-combed hair and glasses.

Colin Troy reviews the mathematical logic behind Daily Calculation's tools. He is a professional games mathematician with more than 25 years in the regulated UK gaming industry, currently Director of Mathematics at Light & Wonder, one of the world's largest gaming technology companies.

His day job is designing and verifying the probability models and payout mathematics behind commercial games: work where a calculation error is measured in real money, audited by regulators, and simply not allowed to happen.

That is the standard he applies here: every calculator he reviews is checked for correct formulas, sensible rounding, and results that hold up at the edges, not just in the easy middle cases.

  • 25+years in regulated UK gaming
  • BEng(Hons) Electronic Engineering
  • Directorof Mathematics

Career

  1. May 2024 – present

    Director of Mathematics

    Light & Wonder – iGaming (London, hybrid)

  2. 2018 – 2024

    Head of Game Innovation and Maths

    Blueprint Games Ltd (Derby)

  3. 2016 – 2017

    Head of Game Innovation and Maths

    Games Warehouse Ltd

  4. 2012 – 2016

    Regulated Gaming Manager

    Games Warehouse Ltd

  5. 2007 – 2012

    Software Engineer

    Games Warehouse Ltd (Derby)

  6. 1997 – 2007

    Export Software Engineer

    Bell-Fruit Games Ltd

Colin holds a BEng (Hons) in Electronic Engineering from the University of Hertfordshire (1997). His career spans hands-on game programming for UK and European markets, management of maths profiling and analysis, and leadership of mathematics teams building games played by millions, including some of the industry's best-known titles.

What Colin reviews on Daily Calculation

  1. The calculation logic of each tool: formulas, order of operations, rounding rules and edge-case behaviour.

  2. The published worked examples, checked independently so the page and the calculator can never disagree.

  3. Each calculator's stated assumptions, so what the tool does and doesn't account for is spelled out honestly.

Reviewed content

Calculators carrying the “Mathematics reviewed by Colin Troy” byline will be listed here, each with its last-reviewed date, as reviews are completed.