Solution 33812: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-Nspire™ CAS Family.
...( function returns a list of candidate real and non-real values of var that make expression = 0 by using the lexical Gröbner/Buchberger elimination method to attempt to determine all complex zeros. The cZeros(expr, var) function does this by computing exp►list(cSolve(expression = 0, var, var). Pl...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33812
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
... software that allows the manipulation of mathematical expressions in symbolic form. The principal difference between a calculator with CAS and one without CAS is the ability to deal with equations symbolically rather than numerically. Texas Instruments products that have the Computer Algebra Sy...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24632
Solution 11365: Compatibility of Programs Written for the TI-83 Family Running on the TI-84 Plus Family of Graphing Calculators.
...83 Plus should be compatible and work with the TI-84 Plus. However, any assembly programs made for the TI-83 will NOT work on the TI-84 Plus family without modification of the code. Solution 11365: Compatibility of Programs Written for the TI-83 Family Running on the TI-84 Plus Family of Graphin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11365
Solution 12681: Requesting A Returned Material Authorization (RMA) Number For A Product Replacement.
...that is not functioning properly, it may be necessary to return this product to Texas Instruments. This should be done after troubleshooting has been completed and you have contacted TI-Cares. If a return is necessary, you will be issued a Return Material Authorization (RMA) number by Customer Se...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12681
Solution 34839: Method for Calculating i^i on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ase Search Why does the TI-83 Plus and TI-84 Plus family of graphing calculators display a result of .2078795764 for i^i? The result can be computed using Euler's formula: Taking the square root of both sides of the above equation yields the result: Raising both sides to the ith p...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34839
Solution 34800: Cause of the "Error: Data Type" Message When Using the Normalcdf Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... the Data Type error. Some of the distribution functions are not designed to accept list as a valid parameter. Normalpdf() and normalcdf() are two of those. They are designed to accept floating number or integer only. This is done by design and not a software or calculator malfunction. Please see...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34800
Solution 38875: Asm84CEPrgm command is not accessible in catalog of the latest version of the TI-84 Plus CE Operating System.
...lator clearing or calculator resets are used instead of test modes such as Press-to-Test. This restriction strengthens calculator security to support those exam scenarios. Solution 38875: Asm84CEPrgm command is not accessible in catalog of the latest version of the TI-84 Plus CE Operating System...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/38875
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...) can also be accessed in the CATALOG. Please Note: On a TI-92 family or Voyage 200 calculator, just press [B] (since there is no [ALPHA] key due to those units' QWERTY keypad. The following examples demonstrate how to use lcm(): Example: Find the LCM of 6 and 9. 1) Press [2ND] [MATH] [1], us...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13344
Solution 13062: Solving a System of Equations on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Using the Gauss-Jordan method.
...Plus, and Voyage 200 graphing calculators do not have a one-key Gauss-Jordan method function. However, if you know what transformations you want to accomplish on a matrix, there are several commands available that allow the user to add or swap rows as it is done when using the Gauss-Jordan method...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13062
Solution 11820: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...( function returns a list of candidate real and non-real values of var that make expression = 0 by using the lexical Gröbner/Buchberger elimination method to attempt to determine all complex zeros.. The cZeros(expr, var) function does this by computing exp►list(cSolve(expression = 0, var, var). P...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11820
Solution 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
...The TI-85 polynomial root finder makes use of the built-in eigenvalue solver. The coefficients of the polynomial are used to create what is called a "companion matrix". Basically, the coefficients appear across a row or column (there are variations) and the rest of the matrix is all zeros except ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...an"; mso-bidi-theme-font:minor-bidi;} There are no symbolic manipulation capabilities on the TI-85. The der1() and der2() functions use an exact method internally, they will not give a symbolic output. The TI-85 has been discontinued. When upgrading, consider the TI-89 Titanium or the TI-Nspi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 16509: Collecting Data with the CBL 2™ Without a Calculator Connected.
...nected. The samples are taken and stored in the CBL 2 memory until all the data have been collected. The data can be sent to the calculator after the completion of the data collection. The quantity of data collected is not limited by the size of the calculator memory, but is limited by the size o...https://education.ti.com/en/customer-support/knowledge-base/data-collection-accessories/product-usage/16509
Predicting White Blood Counts
Students find equations, which best-fit the data, using different regression models built into their calculators. The best method of handling this data, is to break the data into sections and fit different periods of time with different equations. Using their models, they predict when the patie...https://education.ti.com/en/activity/detail/predicting-white-blood-counts
Murder in the First Degree - The Death of Mr. Spud
Students model the process of cooling and use a cooling curve to simulate a forensic scenario to predict the time of death. They use technology to find an exponential plot.https://education.ti.com/en/activity/detail/murder-in-the-first-degree--the-death-of-mr--spud--ti83
Food for Thought
Students learn to count in tens up to 100. They also learn to build 2-digit numbers.https://education.ti.com/en/activity/detail/food-for-thought
Programming-in-Python
...mily graphing calculators and software, it’s a great portable programming platform that seamlessly integrates into your math, science, engineering or computer science classrooms. Python and TI-Nspire™ CX II technology — the next step in coding and STEM ...https://education.ti.com/en/products/calculators/graphing-calculators/ti-nspire-cx-ii-c-cas-china/programming-in-python
Solution 11455: Files Incompatible with TI-SmartView™ Software.
... will not open or use the following file formats: TI-83 Files:Any file extension that begins .83 will not load into the TI-SmartView software, even though they are compatible with the TI-83 Plus/TI-84 Plus. To use these files: • Rename the extension to be a .8x file. For instance, the filenam...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/general-information/11455
Solution 37537: TI-Nspire Family Software Takes Longer to Launch then Normal on Computers that meet System Requirements.
...t access or connects via a proxy. To correct this issue, verify the proxy is configured correctly so the TI-Nspire Family software can communicate without issue via the internet. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Soluti...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/37537
Solution 11884: Inappropriate Content on TI Graphing Calculator or Third-Party Developer Website.
... control over the contents of a third-party website, we cannot require that they remove the offending content. We do encourage you to submit your own complaint to the webmaster, as well. If inappropriate content is found on your child's or student's calculator and you are able to determine from ...https://education.ti.com/en/customer-support/knowledge-base/all-other-products/general-information/11884