Find where to buy the TI-84 Plus CE Python graphing calculator in a variety of bold, fun colors.
Download free 90-day trial versions of the most popular TI software and handheld emulators.
Learn about the math and science behind what students are into, from art to fashion and more.
Enhance your teaching with a hands-on learning experience.
We are here to help with distance learning resources for schools and districts.
Update OS, transfer files andtake screen captures for yourTI-Nspire™ CX II graphing calculator.
Texas Instruments
9-12
45 Minutes
TI-Nspire™TI-Nspire™ CAS
1.7
Students will use learn about inverse matrices in the context of encoding/decoding secret messages and then use inverse matrices to solve systems of equations.
On page 1.4, students are given the definition of the inverse of a 2 × 2 matrix, and they are asked to find the inverse of the encoding matrix on page 1.5.
TI websites use cookies to optimize site functionality and improve your experience. To find out more or to change your preferences, see our cookie policy page. Click Agree and Proceed to accept cookies and enter the site.
You can control your preferences for how we use cookies to collect and use information while you're on TI websites by adjusting the status of these categories.