| Item Name | Effect | Price |
| Draught of Brains | +1 Intelligence | 600 |
|
Calculating Declinations and Hour Angles: A Practical Guide (Book) |
Grants Calculate Declination and Hour Angle (Ability) upon use | 37 |
| Abacus |
+1 Accounting +1 Arithmetic |
150 |
| Multiplication Chart |
+1 Arithmetic |
17 |
| Reminder Sheet |
+2 Choice of Skill (effect lasts two weeks) |
90 |
|
Student's Ledger |
14 |
Unlocked By
This shop is unlocked by reaching Applications of Arithmetic level nine. It is a catalog shop.