Terms of Use
Choosing calculators
Find the calculator type for the functions you actually need. Choose calculation functions uses required functions; prefer large desk keys. Its results are catalogue comparisons; review the individual listing before placing an item in the bag.
Included equipment and pack quantities
For Pocket Eight, the stated contents are: 1 calculator, 1 LR44 replaceable button cell, 1 printed function guide.. Each other listing has its own Included details. Photographs do not add equipment to that list.
Compatibility and intended use
Standalone calculator; no computer connection. 1 LR44 replaceable button cell required and included. Product-specific restrictions take priority over a general search result.
Order totals at Sum Roost
The bag prices each catalogue option in USD and multiplies it by the quantity selected. Standard delivery is $5.95 while merchandise is below $100; the charge becomes zero at $100. No tax or duty is added by this checkout.
Changes to a checked selection
Adding a checked function checklist selection uses current catalogue stock. If any part exceeds stock, the complete add operation is rejected. Editing bag quantities clears the recorded plan; check quantities again before submitting.
Use of this service
Use Sum Roost with accurate details and without disrupting other visitors or accessing private data. These terms do not remove consumer rights that cannot lawfully be excluded.