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Solution 11820: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... 200 graphing calculators? The syntax for the cZeros function on the TI-89 family, TI-92 family and Voyage 200 is given below:  cZeros(expr, var) → list cZeros({expression1, expression2 [, … ] },{varOrGuess1, varOrGuess2 [, … ] }) → matrix The cZeros( function returns a list of candidate real ...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11820

Solution 11868: Certain Polar Values Not Computed on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...CT or AUTO modes. These calculators internally compute expressions in rectangular form that are then converted into polar form. Converting a very complicated expression in rectangular form to polar form while the calculator is in EXACT or AUTO mode can be extraneous on the Computer Algebra System...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11868

Solution 10352: Inputting Complex Numbers on the TI-85 or TI-86 Graphing Calculators.

...e input using  [(] [2] [<,] [5] [)])Please see the TI-85 and TI-86 guidebooks for additional information. {"commands":[{"click":"chrome:field:editcontrol({command:\"webedit:editlink\"})","header":"Edit link","icon":"/temp/iconcache/networkv2/16x16/link_edit.png","disab...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10352

Solution 18709: Calculating the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 Graphing Calculators.

...nd TI-86 graphing calculators? The greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they must have the same number of elements. If one argument is a list and the ...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18709

Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.

...3 family graphing calculators? The greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they must have the same number of elements. If one argument is a list and the ...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689

Solution 11754: Finding the Complex Conjugate of an Imaginary Number on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...onjugate of an imaginary number. The conj() function is located under the the MATH/Complex menu.The conj() function can be used with an expression, a list, or a matrix.Examples:• conj(2+3i) will return 2-3i• conj({2+3i,-i,1-i}) will return the list {2-3i, i, 1+i}• conj([9, 2-i; 1-i, -i] will retu...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11754

Solution 18249: Finding the Real and Imaginary Parts, and Modulus (Absolute Value) of an Algebraic Expression using Complex Numbers on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

... real and imaginary parts and modulus of (1+i)(5-2i)? Solution: 1) Change the mode to Auto by pressing [MODE][F2], scroll down to Exact/Appox and highlight and select Auto and press [ENTER][ENTER]. 2) On the home screen press [2nd][MATH][5][2]. 3) Enter ((1+i)(5-2i)). The imaginary i can be acc...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18249

Solution 24995: Answers that Include an @1 or a Component Formatted as @k on the TI-89 Family, TI-92 Family, or Voyage™ 200

...nts another iteration of the constant and can be between 1 and 255. The example below shows that the first time a constant appears in an answer it is listed as @1, with the command solve(x^2+y^2=r^2 and (x-r)^2+y^2=r^2,{x,y,z}) and the answer as x=r/2 and y=(square root of 3*r)/2 and z=@1 or x=r/...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24995

Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...Base Search How are cubic polynomials computed on a TI-85, TI-86, TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The data listed below was used in the following explanation: X = 1.0E-5 * {-7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} Y = {-11000, -...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695

Solution 34293: Computing Binomialcdf on the TI-36X Pro.

...owledge Base Knowledge Base Search How do I compute binomialcdf on the TI-36X Pro? Binomialcdf computes a cumulative probability at x for the discrete binomial distribution with the specified numtrials and probability of success (p) on each trial. x can be nonnegative in...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34293

Solution 12078: Comparison Between the TI-89 Titanium and the TI-89.

... variables, etc.) can be transferred between these two models. The TI-89 Titanium offers 3 times the memory of the TI-89 for Calculator Software Applications (Apps), 16 preloaded Apps (compared to 5 on the TI-89) including CellSheet™ App, NoteFolio™ App, and EE*Pro®, a built-in USB port for con...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/12078

Solution 18129: Polar and Rectangular Computations and Conversions on the TI-36X Solar.

...6X Solar? Please see the below instructions for polar and rectangular conversions on the TI-36X Solar: Note: The TI-36X Solar does not have the capability to add, subtract, multiply nor divide polar and rectangular numbers.Example: Polar to Rectangular[2nd] [P►R] converts polar coordinates (r,Ө) ...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18129

Solution 10375: Correcting a DOMAIN Error When Using the Seq() Command on the TI-82.

... Knowledge Base Search Why do I get a DOMAIN Error when using seq() command on the TI-82? A DOMAIN Error is returned when a list generated by the seq() command has more than 99 elements, which is the most elements the TI-82 will hold. The range or step of the seq() comma...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10375

Solution 40442: Texas Instruments Computer Algebra System (CAS) Calculators Produce an Unexpected Derivative Result for Function Defined with Constant.

...nstruments CAS calculators may produce an unexpected result for function defined with constant that is used later to evaluate function derivatives as listed in the example below: Define f(x)=x^3-3k^2*x Define fss(x)=derivative(f(x),x,2) When computing for the function above: fss(x) = 6x fss(k) =...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/40442

Solution 34718: Calculating Permutations and Combinations Using the TI-84 Plus C Silver Edition Calculator.

...C Silver Edition.Example: How many possible permutations of 2 cards can be chosen from a deck of 5 cards?• Input 5.• Press [MATH], arrow right to highlight PRB, then press [2] to select the nPr function.• Input 2 and press [ENTER]. There are 20 possible permutations of choosing 2 cards from a dec...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34718

Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... up to hit a random sample of 24 balls (8 of each brand) in a random sequence follow the steps below: 1) Press [stat] [5] [enter] to restore default lists 2) Press [stat] [4] [2nd] [1] [,] [2nd] [2] [,] [2nd] [3] [enter] to delete the data in all three lists 3) Press [stat] [1] to access the STA...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611

Solution 12253: Computing the Log of a Negative Number on the TI-30X IIS/B and TI-30XS MultiView™.

...B and TI-30XS MultiView compute the log of a negative number? The TI-30X IIS/B and TI-30XS MultiView scientific calculators do not have the functionality to compute negative logs. By definition, the log of a number is the power to which it is raised by 10 to get that number. For negative number...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12253

Solution 34780: Computing Effective Annual Percentage Rate (APR) with Points and Fees on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...yment. The total monthly payment is $733.76 (rounded off to hundredths). Compute the actual loan amount by subtracting points and fees on the PV= line: • 100000 [X] .98 [-] 5000. This should store 93000 on PV. • To compute the interest rate, or the effective APR scroll up I% and press [...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34780

Solution 34772: Computing Net Present Value (NPV) and Internal Rate of Return (IRR) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... 5 Frequency = 2 CF2 = -4 Frequency = 3 CF3 = 6 Frequency = 5 What is the NPV and IRR? Solution: First, input the cash flow and frequency values into lists. • Press [STAT] [ENTER] to enter the list editor. • Press [5] [ENTER] [(-)] [4] [ENTER] [6]. • Press [►]. • Press [2] [ENTER] [3] [ENTER] [5]...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34772

NY Chemistry Regents (January 2009)

This TNS file contains the 30 Part A multiple choice questions and answers from the January 2009 Chemistry Regents exam for New York State. The complete exam may be found at http://www.nysedregents.org/testing/scire/regentchem.html
https://education.ti.com/en/activity/detail/ny-chemistry-regents-january-2009

Call it ...Dominant or Recessive

In this activity, students simulate a Punnett square of a cross between two heterozygous individuals and produce a histogram. They compare actual and expected results of genetic crosses.
https://education.ti.com/en/activity/detail/call-it----dominant-or-recessive

Vernier - Bungee Jump Accelerations

Students use an Accelerometer to analyze the motion of a bungee jumper and determine a point where there is maximum and minimum acceleration in the course of the motion. They also compare the experimental data with an actual bungee jump.
https://education.ti.com/en/activity/detail/vernier--bungee-jump-accelerations

Subnivean Comfort

Students measure and compare air temperatures inside and outside a snow shelter. If students choose to sleep in the shelter overnight they use the temperature measurements to confirm what they discover experientially- that snow is a great insulator!
https://education.ti.com/en/activity/detail/subnivean-comfort

Using CBR in Egg Drop Competition

Egg drop competition is a popular activity to reinforce the lessons in force and motion. In the activity, the students are asked to design a vehicle to carry the egg safely when dropped from a height of 10 feet (about 3 m) or more. Real-time and concrete data collected and analyzed during the de...
https://education.ti.com/en/activity/detail/using-cbr-in-egg-drop-competition

The Number of Years

Students' will chart the various ages of the other students in their classroom then the students will multiply the ages by 2 using a lower level calculator, they will then add up the total ages using the same calculator - they can now divide the class into two groups (boys/girls) and see which gr...
https://education.ti.com/en/activity/detail/the-number-of-years