Solution 11727: Computing the Dot Product on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
How do I calculate the dot product on the TI-89 family, TI-92 family and Voyage 200 graphing calculators?
The following instructions demonstrate how to compute the dot product using the TI-89 family, TI-92 family and Voyage 200.
Example: Find the dot product of vectors <11, 5> and <6, -8>
• Press [2ND] [MATH] .
• Press [ALPHA] [L] .
• Press [   [,].
• Press ] [,].
• Press [  [,].
• Press [(-)]  ].
• Press [)] [ENTER].
Note: Both vectors used with this command must be row vectors, or both must be column vectors. Both vectors must have equal dimension, and the dimension must be either 2 or 3.
Please see the TI-89 family, TI-92 family, and Voyage 200 guidebooks for additional information.