Index - I
| id | Euler.Prelude |
| Inf | Euler.Util.Inf |
| inits | Euler.Prelude |
| InputText | Euler.Problems.Problem22 |
| Int | Euler.Prelude |
| Integer | Euler.Prelude |
| Integral | Euler.Prelude |
| intercalate | Euler.Prelude |
| intPalindrome | Euler.Util.Digit |
| intSqrt | Euler.Util.Arithmetic |
| IO | Euler.Prelude |
| isCurious | Euler.Problems.Problem33 |
| isHexagonal | Euler.Util.FigurateNumbers |
| isJust | Euler.Prelude |
| isPentagonal | Euler.Util.FigurateNumbers |
| isPrime | Euler.Prelude, Euler.Util.Prime |
| isSquare | Euler.Util.Arithmetic |
| isTriangle | Euler.Util.FigurateNumbers |
| isTriangleWord | Euler.Problems.Problem42 |