Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...eometric sequence using a TI-89 family, TI-92 family, or Voyage 200? The å( ) or summation function can be used to calculate the sum of any range of consecutive terms in a geometric sequence. The syntax for the å function is given below: å(expression, variable, low, high) The expression is evalu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 11719: Calculating the QR Factorization of a Matrix on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...culate the QR factorization of a matrix on the TI-89 family, TI-92 Plus, or Voyage 200 graphing calculator? The instructions below demonstrate how to compute the QR factorization of a matrix on the TI-89, TI-92 Plus and Voyage 200.Matrix for this example is below:To enter the matrix A into the da...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11719
Solution 28011: Using the Chi-Squared Goodness of Fit Test on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...chi-squared goodness of fit test on a TI-89 family, TI-92 Plus, or Voyage 200 use the Statistics with List Editor App. Using the lists below and a degree of freedom of 2, follow the steps below to calculate and draw the chi-squared goodness of fit test: List 1: {16,25,22,8,10} List 2: {16.2,21.6...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28011
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
...ledge Base Search How is the determinant of a square matrix calculated on the TI-81, TI-82, TI-83, TI-85, and TI-86? Many methods exist for computing the determinant of a square matrix. The one used on the TI-81, TI-82, TI-83, TI-85, and TI-86 is a byproduct of the LU-Factorization meth...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.
... Knowledge Base Search Why am I unable to select multiple equations under different 'when' headings using the ME*Pro® App? Conditions for an equations under each 'when' clause are generally exclusive to each other. In Beams and Columns of the Equations Section, equatio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401
Solution 10455: Equations Used to Create the Graphs on the TI-92 Plus Manual.
...OW]) t0=0 tmax=30 tstep=.1 tplot=0 xmin=-2 xmax=.5 xscl=1 ymin=-2 ymax=1 yscl=1 ncurves=0 diftol=.0001 fldres=30 GRAPH FORMAT (Press [F1][9]) Coordinates: RECT Solution Method: RK Fields: DIRFLD Press [Diamond][GRAPH]. Note: The graph takes several minutes to plot.Right Graph Input the r...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10455
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 15809: Calculating Equivalent Units of Time on the TI-15 Explorer™.
...er™? Please see the below instructions for calculating equivalent units of time on the TI-15 Explorer. Example: A runner ran 2 kilometers in 450 seconds. Convert the runner’s time to minutes and seconds. 450 seconds = ? minutes and ? seconds. Solution: • Press [4] [5] [0]. • Press [Int÷]. • Pr...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15809
Solution 23370: Solving Quadratic Equations on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...rer Plus do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes. However, users can incorporate the variables into algebra by storing a value to the variable and using that variable to solve the expression. Please see the below examp...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/23370
Solution 10617: ERROR SINGULARITY Using the Equation Solver on the TI-85 and TI-86 When a Solution is Calculated Using the TI-89 Family.
...er on my TI-85 or TI-86 although an answer is given on the TI-89 family? "ERROR SINGULARITY" occurs when the SOLVER equation contains a singularity (a point at which the function is not defined). The difference between the software on the TI-89 family, TI-92 family and Vo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...ction with the Inequality Graphing application. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of applications on the calculator. • Sel...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
... necessary to define the order of operations within an expression. For example, the calculator reads the expression -32 as (-1) x 32, and evaluates accordingly. The parentheses will assign the negative symbol to the value to be squared. Please follow these steps for squaring negative numbers usin...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
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 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
...B / TI-30X IIS do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes, which can be incorporated into Algebra by storing values to the variables, then using the variables to solve the equation. For Example: Solve the equation 2X^2+5X...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12324
Solution 34841:Troubleshooting the TI-83 Plus and TI-84 Plus Family of Graphing Calculators Requesting a Password.
... cause the TI-83 Plus and TI-84 Plus family of graphing calculators to request a password to use the calculator. The password will have to be entered correctly or the assembly shell program will need to be removed in order to bypass the password and use the calculator. The following procedure wil...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34841
Solution 12159: Solving Systems of Equations Using Symbolic Manipulation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...xample: Solve the system of equations 2x-3y=4 and -x+7y=-12. Solve the first equation so that x is expressed in terms of y. Substitute x into the second equation, and solve for the value of y. Then, substitute the y value back into the first equation to solve for the value of x. From the Home...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
General Cell Questions
This StudyCards(tm) stack enables students to review general concepts regarding cells.https://education.ti.com/en/activity/detail/general-cell-questions
Vernier - Microscale Acid-Base Titration
In this activity, students' will use a pH sensor to determine the change in pH during a titration of a known concentration of NaOH and unknown concentration of HCl. Students' will determine the concentration of unknown HCl.https://education.ti.com/en/activity/detail/vernier--microscale-acidbase-titration
Vernier - Mix it Up: Combining Liquids of Different Temps
Students use the EasyTemp Probe to measure the temperature of hot and cold water before and after mixing. Students compare the mixing temperatures to a linear prediction. EasyData™ is needed for this activity.https://education.ti.com/en/activity/detail/vernier--mix-it-up-combining-liquids-of-different-temps
Designing a Reaction Rate Experiment
In this activity, students will design, conduct, and report the outcome of an experiment in which they investigate some factor that affects the rate of reaction between baking soda and vinegar. The dynamic nature of the reaction, coupled with a wide range of possible choices of independent varia...https://education.ti.com/en/activity/detail/designing-a-reaction-rate-experiment
Vernier - Freezing Temperature of Ocean Water
This activity makes use of the Temperature Probe to measure the temperature of water as it cools and freezes. Students' determine and compare the freezing temperature of fresh water and ocean water.https://education.ti.com/en/activity/detail/vernier--freezing-temperature-of-ocean-water
Vernier - Water Quality - TDS (Total Dissolved Solids)
In this activity, students will use the Vernier Conductivity Probe to measure the Total Dissolved Solids in samples of water.https://education.ti.com/en/activity/detail/vernier--water-quality--tds-total-dissolved-solids
Predicting π
Students explore the use of linear measurement and calculators to discover the existence of π, the constant ratio between the circumference and the diameter of a circle.https://education.ti.com/en/activity/detail/predicting-π
"Power"ful Patterns
Students investigate the relationship between multiplication with repeated factors and the use of exponents. Students will connect "powers of ten" to place value positions.https://education.ti.com/en/activity/detail/powerful-patterns