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.130
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.170
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.200
kenoCalculating Keno Odds in ExcelA practical guide to building a keno odds calculator in Excel, from the combinatorics behind the game to the formulas that produce probabilities for any spot count.180
slot machinesHow Slot Probability Is CalculatedSlot odds come from reel layouts and symbol counts, not from a machine being due. Here is how to work through the arithmetic and why the result is always a long-run average.130
rouletteRoulette Standard Deviation, Worked Step by StepA plain-language walkthrough of the standard deviation formula for roulette bets, what the result means for a session, and why short-run swings are not a forecast of profit.100
slot machinesHow Slot Machine Credits Are CalculatedLearn what a slot credit represents, how stake and denomination convert cash into credits, and why the paytable and information panel matter more than the credit count.100
slot machinesSlot Payout Calculator Apps and Why They Can't Predict WinsApps that estimate slot payouts work from published figures and your session inputs, not from any ability to predict outcomes. Here is what they can and cannot calculate, and how to read the numbers yourself.120