Math & Topology
- Released
- Jun 13, 2023
- Platforms
- Last updated
A price trend will appear after another observation.
| Observed | Currency | Final price | Regular price |
|---|
| Discount |
|---|
| Legacy sample | USD | $1.99 | $1.99 | — |
Converted to USD with Frankfurter rates (2026-09-18–2026-09-20). Negative values are cheaper than United States. Recorded lows use these rates; checkout may differ.
| Currency | Current price | Converted · USD | Recorded low · USD |
|---|---|---|---|
US Dollar | $1.99 | $1.99 | $1.99 |