Solution 11877: Battery Voltage Required to Power a TI Graphing Calculator.
...he equivalent of four AAA batteries. When the battery power decreases through use, the contrast on the calculator's screen may need to be adjusted to compensate for the loss of power. In most cases, the batteries will need to be changed when the reduction in voltage reaches about 4.0 to 4.2 volts...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11877
Solution 24690: Solving Systems of Linear Equations Using the TI-Nspire™ Family Products.
...sing the TI-Nspire family products, the "Calculator" application and "Solve System of Linear Equations..." template must be used. Texas Instruments recommends all TI-Nspire family users update the handheld and computer software to the latest operating system. More information on the latest operat...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24690
Solution 24770: Solving a System of Linear Equations on the TI-Nspire™ Family.
...quations on the TI-Nspire family? Simultaneously solving a system of linear equations on the TI-Nspire family products can be done using the simult( command. The following example will solve x and y for the equations: For Example: x + 2y = 1 3x + 4y = -1 1) Press [home] [A] or add a Calculator ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24770
Solution 24790: Simultaneously Solving a System of Nonlinear Equations on the TI-Nspire™ Family Handheld.
...wo nonlinear equations, x=1.46 and y=0.212. TI-Nspire CAS In addition to using graphs, the TI-Nspire CAS handheld can also use the solve( and "and" commands to solve simultaneous equations: • In the calculator application, press the catalog key. • Use the tab key to move the cursor to the sec...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24790
Solution 32151: Calculating Logistic Growth Using the TI-Nspire™ CAS Family Products.
...nowledge Base Knowledge Base Search How do I calculate logistic growth problems using the TI-Nspire CAS family handheld and computer software? In logistic growth problems, assume that the rate of growth of a population (k) is directly proportional to both the population...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32151
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 32731: Inserting Chemical Equations Using the TI-Nspire™ Family Products.
... For example, to represent Sulphuric Acid, input [H] [2] [s] [shift] [O] [4], capitalizing the O manually. • Use parentheses to indicate whether a compound is solid (s), liquid (l), gas (g), or aqueous (aq). For example, to enter the following chemical equation inside a Chem Box, input [2] [C]...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32731
Solution 34599: Solving Simultaneous Equations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...[ENTER] on that option, which then pastes the function onto your home screen. 9) Press [2nd] [MATRIX] [ENTER], which pastes Matrix A into the rref command. 10) Close the parenthesis by pressing [ )]. 11) Press [ENTER] to display the answer. The screen will show: Therefore the solution is x...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34599
Solution 12705: Differences Between Algebraic Operating System (AOS) and Equation Operating System (EOS).
...e argument, such as exponents, factorials, r (radians), ° (degrees), and unit conversions.3) Powers and roots, such as 2^5. 4) Permutations (nPr) and combinations (nCr). 5) Multiplication, implied multiplication and division. 6) Addition and subtraction. 7) Relational functions, such as > or <. 8...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12705
Solution 11709: Calculating the Summation of a Sequence Using a TI-83 Family Graphing Calculator.
...edge Base Search How do I calculate the summation of a sequence using a TI-83 family graphing calculator? The sum( and seq( functions can be combined in order to calculate the summation of a range of consecutive terms in a sequence. The necessary syntax is given below:sum(seq(expression,...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11709
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search How does TI graphing calculators compute values for sine, cosine and tangent? Texas Instruments uses the CORDIC algorithm method to compute trigonometric and other transcendenta...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
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 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re systems of equations solved on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? solve() and cSolve() functions return real or complex solutions of linear or nonlinear systems of equations. For linear or polynomial systems, the Gaussian or Groebner elimination method is use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 11789: Solving Quadratic Equations using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...family, TI-92 family, and Voyage 200 graphing calculators? The following instructions demonstrate how to solve quadratic equations using the solve() command on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators. The syntax of the solve() command is solve(equation,variable), wh...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11789
Solution 12110: Appending Two Lists Into One on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How can I combine data from two lists into one list on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Use the augment() function to ap...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12110
Solution 12109: Accuracy Information for the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What is the computational and graphing accuracy for the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Computational Accuracy • Floating-poi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12109
Solution 10399: Differential Equation Solver for the TI-85.
...od used in the TI-85 to solve differential equations is known as an adaptive stepsize Runge-Kutta method.In this method, a proposed step is taken by computing a solution with two separate Runge-Kutta formulas of different order (but which share evaluation points). An error estimate is formed f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...t allow a step size to be entered; it always uses the default value of 1. However, if a different step size is required (such as for Riemann sums), a combination of both the sum( ) and seq( ) functions can be used in order to do this. Both functions are accessed by pressing [2nd] [MATH] [3] from ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 17214: Solving Second Order Differential Equations on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.
... on a TI-89 Family, TI-92 Plus and Voyage 200 Graphing Calculator? First and second order differential equations can be solved by using the deSolve( command. 1. First Order Example Solver the equation y''+2y'+y=x^2. Solution: Start by clearing the calculator's home screen and following the instr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/17214
Solution 13820: Differences Between OS v3.10 and Previous Operating Systems When Solving Inequalities Using the TI-89 Titanium and Voyage™ 200.
...solving inequalities using the TI-89 Titanium or Voyage 200? OS v3.10 for the TI-89 Titanium and Voyage 200 increases the ability of the calculator's Computer Algebra System (CAS) to display more accurate results for inequalities involving polynomials and rational expressions. The table below dis...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/13820
Solution 15420: Correcting the Error "Equation Length" on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.
...e maximum number of digits to enter in the entry line is 80 digits• For both model calculators, the maximum number of statistics entries is 47. NOTE: Combining an entry with a constant may make the entry exceed the limit. Please see the TI-30X IIS/B and TI-30XS/TI-30XB MultiView guidebooks for ad...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/15420
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...and TI-84 Plus family of graphing calculators do not have the built-in function to find the discriminant. However, the instructions below show how to compute the discriminant by using variables: The discriminant is a number that can be calculated from any quadratic equation. A quadratic equation...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 12159: Solving Systems of Equations Using Symbolic Manipulation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
.../2 To copy the equation press [F1] and select 5:Copy. Paste the calculated expression for x on the entry line by pressing [F1] and 6:Paste. Your command line should read: solve(-x+7y=-12,y)|x=(3y+4)/2 • Press [ENTER] and the screen will display y=-20/11. • Press the up arrow key to...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12159
Solution 12158: Solving System of Equations Using TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... access the Math worksheet2) Scroll down to #4 for Matrix and press the right arrow key3) Scroll down to #5 and press [ENTER] to paste simult( on the command line4) The syntax would then be:simult ([3, 3, -4; -1, 2, 5; 8, 4, -7],[-3; 18; -5])Please Note: Two matrices are actually entered: a three...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12158
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