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Appendix — Reference Information 101
If you experience difficulties other than those listed above, press &
} ! to clear the calculator, and then repeat your calculations.
Note: You can also perform a hard reset using the reset hole in back of
the calculator.
Texas Instruments Support and Service
For general information
For technical support
For Product (hardware) Service
Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin
Islands: Always contact Texas Instruments Customer Support before
returning a product for service.
All other customers: Refer to the leaflet enclosed with this product
(hardware) or contact your local Texas Instruments retailer/distributor.
The calculator does not display
the correct result in a math
calculation.
Press & | # # # # to check or
adjust the setting for calculation
method.
An error occurs.
Home Page: education.ti.com
Knowledge Base
and e-mail
inquiries: education.ti.com/support
Phone: (800) TI-CARES / (800) 842-2737
For U.S., Canada, Mexico, Puerto Rico, and
Virgin Islands only
International
Information:
education.ti.com/support
(Click the
International Information link.)
Knowledge Base
and support by
e-mail: education.ti.com/support
Phone
(not toll-free): (972) 917-8324
Difficulty Solution