Tools

Small interactive helpers. Each one only applies rules the book states explicitly; the numbers are randomized, nothing else is.

• Section gridShade "NW¼ of SE¼" on a 640-acre section, see the acreage, and drill random descriptions. Chapter 3.
• Lien-priority waterfallPay sale proceeds through costs and claims in the order the problem states; see what each claim receives. Chapter 5.
• Debit / credit sorterClassify settlement entries as buyer or seller debits and credits, checked against the book's rules. Chapters 17 and 30.