Advanced and capstones

Multi-currency, audit, statements, reconciliation.

6 hands-on lessons in this topic. Read each one free, then practice it on a real double-entry ledger in the lab.

  1. Lesson 20

    The trial balance (capstone)

    Sum all debits, sum all credits, prove they're equal.

  2. Lesson 21

    Multi-currency FX swap

    Each currency is its own balanced book. Conversions take two entries.

  3. Lesson 22

    Audit trail with structured metadata

    WHO did it, WHAT triggered it, WHY, and the dedup key.

  4. Lesson 23

    The audit (capstone)

    Three bugs. Three diagnoses. Three corrective entries.

  5. Lesson 24

    Account statements

    A statement is a VIEW of the ledger, not stored data.

  6. Lesson 25

    Bank reconciliation

    Your ledger and your bank's ledger will disagree. Reconcile them.

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