HP 35s Scientific Calculator - Manual (Page 293)

Support, Batteries, and Service A-7
Warranty
HP 35s Scientific Calculator; Warranty period: 12 months
1. HP warrants to you, the end-user customer, that HP hardware, accessories and
supplies will be free from defects in materials and workmanship after the date
of purchase, for the period specified above. If HP receives notice of such
defects during the warranty period, HP will, at its option, either repair or
replace products which prove to be defective. Replacement products may be
either new or like-new.
2. HP warrants to you that HP software will not fail to execute its programming
instructions after the date of purchase, for the period specified above, due to
defects in material and workmanship when properly installed and used. If HP
receives notice of such defects during the warranty period, HP will replace
software media which does not execute its programming instructions due to
such defects.
3. HP does not warrant that the operation of HP products will be uninterrupted or
error free. If HP is unable, within a reasonable time, to repair or replace any
product to a condition as warranted, you will be entitled to a refund of the
purchase price upon prompt return of the product with proof of purchase.
4. HP products may contain remanufactured parts equivalent to new in
performance or may have been subject to incidental use.
5. Warranty does not apply to defects resulting from (a) improper or inadequate
maintenance or calibration, (b) software, interfacing, parts or supplies not
supplied by HP, (c) unauthorized modification or misuse, (d) operation outside
of the published environmental specifications for the product, or (e) improper
site preparation or maintenance.