Assuming you are using a popular third-party emulator (e.g., from the Play Store named "Graph 89" or "Casio fx-9860G Emulator"):
| Option | Cost | Accuracy | Programs | Exams | | :--- | :--- | :--- | :--- | :--- | | | $70-100 | 100% | Full | ✅ Allowed | | K. Mark Emulator | Free / Ads | 98% | Full | ❌ Not allowed | | Wabbitemu (TI emulator) | Free | 99% | TI-BASIC/Z80 | ❌ Not allowed | | Casio Official Emulator | Subscription | 100% | Full | ❌ Not allowed | Casio FX 9860G SD Calculator Emulator Android