Solution 23891: Setting Constraints to Remove the @n Symbol From a Trigonometric Equation Using the Solve Command on TI-89 Family, TI-92 Plus Family and the Voyage™ 200.
...metric function so that the @n symbol does not show the user must restrict the equation to show only one revolution of a circle. This is done one of two ways depending on whether the unit is in degree or radian mode. Please see the below example: 1) For radian mode use the restriction x>0 an...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/23891
Solution 18709: Calculating the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 Graphing Calculators.
...ommon Divisor) on the TI-85 and 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 on...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.
...t Common Divisor) on the TI-73 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 on...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 11837: Difference Between Complex Numbers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...d. The TI-92 accepts the form r*eiq and must be in radian mode. If entering a degree value, the degree symbol must be used. The q value in the result would be a radian measure, and it must be manually scaled by 180/p to get a degree measure. The TI-89, TI-92 Plus, and Voyage 200 can accept the mo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11837
Solution 11374: Compatibility Between TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators Data and Programs.
...s compatible between a TI-89, TI-89 Titanium, TI-92 Plus, and Voyage 200, but some programs written for the TI-89 family may not run the same on the two other models because of differences in the calculator's screen sizes and keyboards. Compared to a TI-92, the TI-89, TI-89 Titanium, TI-92 Plus,...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11374
Solution 36675: Manually Simplifying Certain Fractions using SIMP Command Throws A Domain Error on TI-34 Multiview Handheld.
...ions cause a "Domain Error" on TI-34 Multiview? The TI-34 Multiview will return a domain error when using the "Simp" command if the fraction that it would return as a result has a denominator larger than 1000 as this is the largest denominator the calculator can display. If you need the calculat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/36675
Solution 12078: Comparison Between the TI-89 Titanium and the TI-89.
...um is compatible, keystroke for keystroke, with the TI-89. Calculator files (Apps, data, programs, 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 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/12078
Solution 12135: Error Invalid Polar Complex on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...at are not in the proper polar complex form. Refer to the tips provided below for inputting polar complex numbers. Complex numbers can be entered in two different polar forms.• reiq - Must be entered with the calculator in Radian mode. Inputting polar complex numbers while the calculator is in de...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12135
Solution 40442: Texas Instruments Computer Algebra System (CAS) Calculators Produce an Unexpected Derivative Result for Function Defined with Constant.
... as: fss(k)=derivative(f(k),k,2) Since f(x) is defined using the parameter k, evaluating fss(k) substitutes k giving the unexpected result. You can workaround this behavior by using the with "|" command to assign a different variable: Define f(x)=x^3-3k^2*x Define fss(x)=derivative(f(z),z,2)|z...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/40442
Solution 34831: Entering and Computing Fractions on the TI-84 Plus Family of Graphing Calculators.
... 7) Press [ALPHA] [F1] [2]. 8) Enter in [3]. 9) Press [Right Arrow]. 10) Enter in [2]. 11) Press [Down Arrow]. 12) Enter in [5]. 13) Press [ENTER]. Two possible answers can be displayed with MATHPRINT turned on and switching from n/d to Un/d in the [Mode] settings. Changing a decimal into a f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34831
Solution 12161: String Commands on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...erent string commands and their meaning: # - Converts a string into a variable name. This is called indirection. & - Appends or concatenate two strings into one string. char - Returns the character that corresponds to a specified character code. It is the opposite of the ord command....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12161
Solution 12150: Multiplication of Complex Numbers in Polar Form on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...lex numbers in polar form on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example demonstrates how to multiply two complex numbers in polar form. Example: Multiply (45Ð30) by (45Ð-30). 1) Press [(] [4] [5]. 2) Press [2nd] [Ð]. 3) Press [3] [0] [)] [x] [(] [4]...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12150
Mendelian Genetics
This StudyCards(tm) stack enables students to review the vocabulary used in studying genetics as developed from the work of Mendel.https://education.ti.com/en/activity/detail/mendelian-genetics
Science TODAY™ - Clearing the Bar
Students will explore the effects of two critical physical factors on potential success in the pole vault event in track and field.https://education.ti.com/en/activity/detail/science-today--clearing-the-bar
Science TODAY™ - How the Olympic Swimsuit Gives Athletes an Edge
Students will look at the potential impact of an improvement in the equipment used by world-class swimmers. They will also look at the improvement in the world records for men and women in the 100 Meter Freestyle race.https://education.ti.com/en/activity/detail/science-today--how-the-olympic-swimsuit-gives-athletes-an-edge
Vernier - An Inclined Plane
In this activity, students will use a Force Sensor to measure the force needed to lift an object and the force needed to pull the same object up an inclined plane. They will also calculate work done and efficiency and make conclusions.https://education.ti.com/en/activity/detail/vernier--an-inclined-plane
Place-Value Spinners
Students also explore probability and patterns in place value by using two spinners and analyze and record the results.https://education.ti.com/en/activity/detail/placevalue-spinners
Picturing Probabilities of Number Cube Sums
Students use ideas of ratio and proportion to investigate various ways to make a circle graph. Students create graphs to display the probabilities of the different sums that can be generated with two number cubes.https://education.ti.com/en/activity/detail/picturing-probabilities-of-number-cube-sums
Reforestation
Students learn to solve a real-world environmental problem. They learn how to use the parameters of the final product to work out a reforestation plan.https://education.ti.com/en/activity/detail/reforestation
What's the Plan?
Students investigate area with nonstandard and standard units of measure. They work to plan a unique vegetable garden and calculate the costs of plants for the garden.https://education.ti.com/en/activity/detail/whats-the-plan
Water, Water
Students solve a real-world problem involving water consumption. They determine if an aquifer can be used as a water source for a new town with a population of 5,000 people.https://education.ti.com/en/activity/detail/water-water
Recycled Sounds
Students create a musical instrument from empty 1-liter bottles and use fractional equivalents to tune the bottles.https://education.ti.com/en/activity/detail/recycled-sounds
No More Peas, Please!
Students explore the use of nonstandard units of volume and calculators to estimate the number of peas it would take to fill a classroom.https://education.ti.com/en/activity/detail/no-more-peas-please
Convolution
Shows the convolution of two functions. To simplify the details, the functions are finite, piecewise, and continous.https://education.ti.com/en/activity/detail/convolution
Crunching Numbers
Students learn to build and add two digit numbers. They connect number words and numerals.https://education.ti.com/en/activity/detail/crunching-numbers