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3 tools selected
Project Euler
A series of computational math problems you solve by writing a program
Toolora score94Free
Free to register and solve
Advent of Code
An annual calendar of programming puzzles, with past years still open to solve
Toolora score96Free
Free; optional donations a…
IXL
K–12 practice in math, English, and science with skill plans teachers assign
Toolora score84Paid
Family and classroom subsc…
| Spec | Project Euler | Advent of Code | IXL |
|---|---|---|---|
| Category | Education & Learning | Education & Learning | Education & Learning |
| Pricing | Free to register and solve | Free; optional donations and merch | Family and classroom subscriptions; school licenses |
| Toolora score | 94/100 | 96/100 | 84/100 |
| Best for | math, programming, puzzles, practice | puzzles, programming, calendar, practice | k12, practice, math, classroom |
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