| iAccount | Penny.Lincoln.Transaction.Unverified |
| IComment | Penny.Copper.Types, Penny.Copper |
| iFilePosting | Penny.Lincoln.Transaction.Unverified |
| iFlag | Penny.Lincoln.Transaction.Unverified |
| iGlobalPosting | Penny.Lincoln.Transaction.Unverified |
| iMemo | Penny.Lincoln.Transaction.Unverified |
| IncDec | Penny.Brenner.Types |
| incDec | Penny.Brenner.Types |
| Increase | Penny.Brenner.Types |
| IncreaseIsCredit | Penny.Brenner.Types, Penny.Brenner |
| IncreaseIsDebit | Penny.Brenner.Types, Penny.Brenner |
| incrementBack | Penny.Lincoln.Serial, Penny.Lincoln |
| indentAmt | Penny.Wheat |
| indentation | Penny.Cabin.Balance.MultiCommodity.Chunker |
| Inferable | Penny.Lincoln.Balance, Penny.Lincoln |
| Inferred | |
| 1 (Type/Class) | Penny.Lincoln.Transaction, Penny.Lincoln |
| 2 (Data Constructor) | Penny.Lincoln.Transaction, Penny.Lincoln |
| Infix | Penny |
| insert | Penny.Steel.NestedMap |
| intToHours | Penny.Lincoln.Bits.DateTime, Penny.Lincoln.Bits, Penny.Lincoln |
| intToMinutes | Penny.Lincoln.Bits.DateTime, Penny.Lincoln.Bits, Penny.Lincoln |
| intToSeconds | Penny.Lincoln.Bits.DateTime, Penny.Lincoln.Bits, Penny.Lincoln |
| iNumber | Penny.Lincoln.Transaction.Unverified |
| invalid | Penny.Copper.Terminals |
| Inverse | |
| 1 (Data Constructor) | Penny |
| 2 (Type/Class) | Penny |
| inverse | Penny |
| Inverse256 | |
| 1 (Data Constructor) | Penny |
| 2 (Type/Class) | Penny |
| inverse256 | Penny |
| inverse256off | Penny |
| Inverse8 | |
| 1 (Data Constructor) | Penny |
| 2 (Type/Class) | Penny |
| inverse8 | Penny |
| inverse8off | Penny |
| InverseAll | |
| 1 (Data Constructor) | Penny |
| 2 (Type/Class) | Penny |
| inverseOff | Penny |
| iPayee | Penny.Lincoln.Transaction.Unverified |
| IPosting | |
| 1 (Type/Class) | Penny.Lincoln.Transaction.Unverified |
| 2 (Data Constructor) | Penny.Lincoln.Transaction.Unverified |
| iPostingLine | Penny.Lincoln.Transaction.Unverified |
| isAcctLvl1 | Penny.Copper.Render |
| isAcctLvl2 | Penny.Copper.Render |
| isBalanced | Penny.Lincoln.Balance, Penny.Lincoln |
| isFirstSubAcctLvl2 | Penny.Copper.Render |
| isOtherSubAcctLvl2 | Penny.Copper.Render |
| isSubAcctLvl1 | Penny.Copper.Render |
| IsTTY | Penny.Shield |
| iTags | Penny.Lincoln.Transaction.Unverified |
| Item | Penny.Copper.Types, Penny.Copper |
| item | |
| 1 (Function) | Penny.Copper.Render |
| 2 (Function) | Penny.Copper.Parsec |
| ItemIndex | |
| 1 (Type/Class) | Penny.Liberty |
| 2 (Data Constructor) | Penny.Liberty |