Find answers to the top 10 questions parents ask about TI graphing calculators.
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.
Get ready for back to school with T³™ Webinars to enhance your teaching and TI technology skills.
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.
Discover the change of base rule for logarithms by examining the ratio of two logarithmic functions with different bases.
In Problem 1, students use the program DIFFBASE to compare the graphs of two logarithmic functions with different bases.
In Problem 2, students investigate the value of c, a constant factor, as the values of the bases of the logarithmic functions change.
Students can then use the values of the bases and c stored in a table, to guess a formula for calculating c.
© Copyright 1995-2022 Texas Instruments Incorporated. All rights reserved.