~/library · the desk math, one file at a time
3 referencesSelf-contained reference documents that gather the arithmetic behind a price into a single file you can keep. Each is an educational PDF and Word reference — formulas, worked examples and lookup tables, the same material as the guides in a portable form.
Expected Value & Kelly Staking Field Guide
From fair-line comparison to bet size. How to compute expected value against a no-vig baseline, the full and fractional Kelly formulas worked step by step, exposure caps, and why edge uncertainty makes quarter-Kelly the practical default.
Odds Conversion & Implied Probability Reference
A single-file reference for turning any price into any other format and into a fair probability. Decimal, fractional and American in every direction, implied-probability and overround math, plus a quick-lookup table for the prices you meet most often.
Vig, Hold & Margin Handbook
The complete margin toolkit. Theoretical overround versus realised hold, two-way and three-way calculations, the break-even win rate at any price, and what a -110 to -115 juice shift does to a bettor's required accuracy.