Solution 12283: Converting from Rectangular to Polar Coordinates Using the TI-34 II Explorer Plus.
...ne R←Pr 6) Press [ENTER] to paste R←Pr( on the screen. 7) Input the x-value of the rectangular coordinate, which is 4. 8) Press [2nd] [4] to insert a comma. 9) Input the y-value of the rectangular coordinate, which is 3. 10) Press [)] [ENTER] to display the results. The displayed answer will sho...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12283
Solution 34692: Using the Statistics Wizard on the TI-84 Plus Family of Graphing Calculators.
...tive. To enable and disable the wizard format by going to [Mode] and change the option for Stat Wizard: ON or OFF. To access any of the statistics commands, press [Stat] then [→] to CALC and then select a statistics command and the screen will show a wizard similar to what is listed below: Pl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34692
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 34612: Calculating Inverse Natural Logarithms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... I calculate the inverse natural log on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following examples will demonstrate how to compute the inverse natural logarithm (or e) of a number: Example: Compute the inverse natural log of .5. 1) Press [2nd] then [ln] to input the i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34612
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...83 Plus and TI-84 Plus family of graphing calculators? A step function (for example, the greatest integer function) can be graphed by using the int( command. The example below will demonstrate how to graph a step function. Example: Graph the greatest integer of Y=X 1) Press [Y=] to access the Y...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Solution 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.
...ess the FUNC menu and insert the logbase( function. • Input 4 for the base. • Scroll to the right and input 160 for the log value. • Press [ENTER] to complete the calculation. Please see the TI-84 Plus family guidebooks for additional information. Solution 34592: Calculating Logs of Bases Other...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34592
Solution 12265: Calculating Percentages on TI-30Xa Family Scientific Calculators.
...to calculate percentages, ratios, add-ons, and discounts using the TI-30Xa family calculators. Using [%] for Percentages: Example: Take 5% of 250. Compute as follows: 250 [x] 5 [2nd] [2] [=] The answer is 12.5. Using [%] for Ratios: Example: Calculate the ratio of 250 to 5. Compute as foll...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12265
Solution 12304: Calculating Mode and Median on the TI-36X Solar.
...ical data? The TI-36X Solar does not perform statistical analysis that will return the median and mode from a list of data. This calculator will only compute for the following variables:MeanSimple standard deviationPopulation standard deviationSum of data valuesSum of squares (of data values)Numb...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12304
Solution 12162: Symbolic Derivative Example Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...yntax for d() is below:d(expression,variable[,order])Returns the first derivative of expression with respect to variable. The optional argument and accompanying comma are enclosed in brackets. If included, order must be an integer. If the order is less than zero, the result will be an anti-deriva...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12162
Solution 12160: Storing Formulas in the TI-89 Family, the TI-92 Family, and Voyage™ 200 Graphing Calculators.
...aximum of 11 equations only can be stored in the Numeric Solver. Write a Program: Writing a program requires knowledge of the different programming commands and their syntax. The calculator guidebook contains an alphabetical list of operations section that gives all the commands and the proper ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12160
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 12164: The Ceiling() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ing calculators? The ceiling() function returns the nearest integer that is greater than or equal to its argument. The argument can be a real number, complex number, list, or matrix. Examples: 1. If you enter in ceiling(0.456) , it will return 1 as the answer 2. If you enter in ceiling({-3.1,1...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12164
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
Solution 12169: Typing Lower Case and Upper Case Letters on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
... applications, such as going from the Text Editor to the Home screen. On the TI-89 family, while either type of alpha-lock is on: • To type a period, comma, or other character that is the primary function of a key, alpha-lock must be turned off. • To type a second function character such as [2nd]...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12169
Solution 12157: Setting the Default Units for Displayed Results on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... Many categories let users select NONE as the default unit. This means that the result in that category will be displayed in the default units of its components. For example, Area= (Length)^2, so Length is a component of Area. If the defaults for Area is _acre and for Length is _m, area results w...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12157
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
Solution 12156: Scaling the X-axis and Y-axis with the Same Units on TI-89 Family, the TI-92 Family, and the Voyage™ 200.
... when graphing a function on TI-89 family, the TI-92 family, and the Voyage 200? To make the scale on the x-axis and y-axis the same, use the ZoomSqr command. The ZoomSqr command displays the graph screen, adjusts the x or y window settings so that each pixel represents an equal width and height ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12156
Solution 12152: Definition of Mode Settings on the TI-89 Family, TI-92 Plus and Voyage™ 200.
... values are interpreted and displayed: RADIAN, DEGREE or GRADIAN* (* not available on the TI-92 family).Exponential Format: Notation used to display complex results: NORMAL, SCIENTIFIC or ENGINEERING. Complex Format: Format used to display complex results, if any: REAL (complex results are not d...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12152
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
Please Re-Leaf Me
In this activity, students examine data of carbon dioxide output in a forest. They graph the data and understand seasonal flucuations of carbon dioxide output. They make predictions about carbon dioxide output in other biomes.https://education.ti.com/en/activity/detail/please-releaf-me
Variety is the Spice of Life
In this activity, students will collect data on all members of the class. They will make a graph of the data collected, interpret variations, and then draw conclusions.https://education.ti.com/en/activity/detail/variety-is-the-spice-of-life
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
Science TODAY™ - The USA's Expanding Weight Problem
This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.https://education.ti.com/en/activity/detail/science-today--the-usas-expanding-weight-problem
Cell Vocabulary
This StudyCards™ stack enables students to review the vocabulary associated with cell biology.https://education.ti.com/en/activity/detail/cell-vocabulary
Shedding Light on the Weather with Relative Humidity
In this activity, students will collect the data for temperature and relative humidity and plot the data. They will look for the patterns displayed by the three plots and relate them to their experiences.https://education.ti.com/en/activity/detail/shedding-light-on-the-weather-with-relative-humidity