Lifestyle Calculator Guides
Articles that explain formulas, edge cases, and interpretation for lifestyle calculators. Each guide links to the relevant tools so you can apply what you learn.
Golf Handicap: Index, Course Strokes, and Score Differentials
Separate Handicap Index from Course Handicap, compute a score differential with Slope 113, and see why the same Index yields different strokes on soft vs steep slopes. Educational WHS literacy, not an official card.
How to Split a Restaurant Bill Fairly (Tip Base, Tax, and Shares)
Choose equal seats or itemized shares, decide whether tip rides on pre-tax or post-tax, peel tax and tip dollars, and settle with a worked table example. Educational guide, not financial advice.
Sleep Cycles: Cycle Stack vs Time in Bed, Latency Peel, Wake/Bed Ladder
Eight hours in bed is not the same clock as five 90-minute cycles. Separate cycle-sleep from time in bed, peel fall-asleep latency, and run a 6→3 cycle ladder from a wake-fixed or bed-fixed anchor. Verified Office 7 AM twin plus slow-starter latency peel. Educational schedule only.
Equal vs Fair Bill Split: Per-Seat Dollars, Fairness Gap, Food Mismatch
Equal seats and itemized shares are two justices on the same tipped check. Run the twin board, read the fairness gap (max pay minus min pay), and fix food mismatches before you settle. Verified uneven-orders twin included. Educational dining math only.