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 12299: Using the Percent Key on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...on on the TI-30X IIS/B, and the TI-34 II Explorer Plus.Example: 50 + 50% of 50 = ?• Input 50 [+] 50 [2nd] [(], then [(] 50 [)].• Press the [=] key to compute.The answer is 75.Please see the TI-30X IIS/B and TI-34 II Explorer Plus guidebooks for additional information. Solution 12299: Using the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12299
Solution 10474: Using Memory Functions and Operations on the TI-1795 SV.
...I-1795 SV and how do I use them? Memory operation keys on the TI-1795 SV are described below: [M+] adds the displayed number to the memory. This key completes any operation (acts like the [=] key) and then adds the result to memory.Example:1) Press [4] [M+] [ON/C]4 is stored to memory, and 'M' ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10474
Solution 10681: Fraction Capabilities of the TI-10.
...ypically taught at higher grade levels, specific fraction capabilities were not included on the TI-10. If fraction capabilities are needed, choose a comparable model designed to include more complicated concepts like the TI-15 Explorer™. Solution 10681: Fraction Capabilities of the TI-10. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10681
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 10687: Differences in the TI-30X and TI-30Xa.
...s selected a [k] will appear in the screen and then the [=] key will act as a constant. Another minor change is the way in which the permutation and combination functions are input. For nCr or nPr, the user used to enter [n], press x-exchange-y, enter [r], then press nCr or nPr. Now these functi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 10688: Replacing the Batteries In a TI-30Xa.
... (Requires 1 button cell A76 battery) “1XA76 1.5V 110mAh” (Requires 2 button cell A76 batteries) Note: The Energizer® "A76" battery replaces "LR44" Comparable button cell battery model numbers include: Duracell® D357 Eveready® 357 Maxell® LR44 Varta® V13GA About replacing the button cell batt...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10688
Solution 34595: Calculating the Inverse Log of a Number on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...low. The inverse log of a number (N) is equal to 10N. Example: Calculate the inverse log of .5 • Press [2nd] [10x]. • Input .5 and press [ENTER] to complete the calculation. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34595: Calculating th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34595
Solution 35575: Using the Simplification Function on the TI-34 MultiView™.
... How can I use the simplification function on the TI-34 MultiView? The simplification function automatically simplifies a fraction using the lowest common prime factor. Example: 1) Press [n/d]. 2) Input 200 and press [▼]. 3) Input 51 and press [►]. 4) Press [►simp] and press [enter]. The ca...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/35575
Solution 18749: Boolean Logic Operations on the TI-36X II.
...ogical operations in octal, hexadecimal and decimal modes. The results are displayed in the current number base. These values (except for NOT and 2's complement) compare the corresponding bits of two values. Please see the below example: Example: Perform the operations 7 AND 15, 7 OR 15, and 7 XO...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18749
Solution 30911: Calculating the Cross Product of Two Vectors Using the TI-36X Pro Scientific Calculator.
...owledge Base Search How do I calculate the Cross Product of Two Vectors using the TI-36X Pro? The following instructions demonstrate how to compute the cross product of two vectors using the TI-36X Pro. Example: Find the Cross Product of vectors and . Creating the Vectors: 1) Press [2n...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/30911
Solution 33351: Generating Random Numbers and Random Integers on a TI-36X Pro Scientific Calculator.
...lators Knowledge Base Knowledge Base Search How do I generate random numbers and random integers on a TI-36X Pro? The rand command generates a random real number between 0 and 1. The randint( command generates a random integer between 2 integers. To use the rand command...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33351
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 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 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