kenoHow to Calculate Probability for KenoLearn the combinatorics behind keno odds, how to calculate the probability of matching a specific number of spots, and why the math works the way it does.100
kenoBuilding a Keno Payout SpreadsheetA practical guide to structuring a spreadsheet that calculates keno payouts from a paytable, so you can compare the return on different spots and bet sizes.100
kenoHow a Keno Payout Is CalculatedKeno payouts are set by the paytable and depend on how many spots you pick, how many of those numbers are drawn, and the size of your wager. The calculation is a fixed multiple of your stake, not a percentage of a growing pot.140
kenoHow a Keno Pay Table Is CalculatedKeno pay tables are built from the number of spots you pick, the number that hit, and the total combinations possible. Learn the arithmetic behind the listed prizes and why the house edge stays fixed regardless of the payout scale.130
kenoHow to Calculate Keno OddsLearn the combinatorics behind keno payouts, how to calculate the probability of matching a given number of spots, and why the house edge stays fixed no matter which numbers you pick.140
rouletteCalculating Expected Value on a Roulette BetExpected value shows the average result of a roulette bet over many spins, not what happens in one session. Learn the formula, how wheel type changes the edge, and why short-term results differ from the long-run average.70
rouletteCalculating Expected Payoff for Roulette BetsLearn the step-by-step method for calculating the expected payoff of any roulette bet, using the wheel's structure and labelled example arithmetic.50
rouletteCalculating the House Edge on a Roulette BetLearn the arithmetic that gives the casino its built-in advantage on roulette, and why the calculation changes between European and American wheels.90