Prof. Boston's Tools
Every tool here is a lecture made interactive. The goal is to teach the reasoning, not just output a number. The casino has always known these numbers. Now you will too.
Input your bankroll and risk tolerance. Returns optimal bet sizing, expected session length, and rational exit points.
Use calculator →10 slots ranked by the number that actually matters — return to player percentage. Filtered by volatility, provider, and expected value.
Browse slots →Input a wagering requirement, RTP, and bonus amount. The calculator shows the expected cost of clearing the bonus — what you're actually paying for the casino's money.
Five questions about your bankroll, session goals, and risk tolerance. Returns a volatility profile recommendation matched to your actual situation.