Solution 21911: nDeriv and Derivative Commands Use Different Algorithms to Compute Answers.
... Knowledge Base Search Do the nDeriv and derivative commands use different algorithms to compute answers? If so, which answer is more accurate? The nDeriv() and Derivative commands are based on different algorithms. While the Derivative command solves for the derivative of the fun...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/21911
Solution 12645: Graphing a Function on the TI-80 and TI-81.
...r the TI-73 Explorer™. The TI-73 Explorer is completely compatible with curricular materials for upper elementary through lower middle grades, from fractions through pre-algebra. Follow these steps to graph a function using the TI-80 or TI-81: • Press [Y=].• Enter the function. • Press [ZOOM] and...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 14291: Performing Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...0) will return the result of 1.1547. Please Note: The results provided above are based on the calculator being in DEGREE Angle mode and APPROXIMATE Exact/Approx mode. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 14291: Performing Cosec...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14291
Solution 11815: Finding a Maximum or Minimum of a Function on a TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
... find the maximum or minimum value of a function using a TI-89 family, TI-92 family, or Voyage 200? To calculate a maximum or minimum of a function, access the Math menu after graphing a function. Then, from the menu that appears, select the calculation to be performed. The example below will de...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11815
Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...aph the greatest integer of Y=X 1) Go to the Y= editor screen by pressing the [GREEN DIAMOND][W]. (Use [GREEN DIAMOND] [F1] on the TI-89 Family). 2) Access the catalog by pressing [2nd] [2] (on the TI-89 press [CATALOG]). 3) Press the [I] key to go to the "I" commands. 4) Scroll to the int( comm...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12096
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...c integration on the TI-89 family, TI-92 family and Voyage 200? Antiderivatives are determined by substitutions, integration by parts, and partial-fraction expansion, much as described by J. Moses in "Symbolic Integration: The Stormy Decade", Communications of the ACM, August 1971, Volume 14, Nu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 14292: Performing Hyperbolic Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...sch(1.2) will return the result of 0.662488. Note: The result provided above are based on the calculator being in DEGREE Angle mode and APPROXIMATE Exact/Approx mode. For additional instructions, refer to the online guidebook for your calculator. Solution 14292: Performing Hyperbolic Cosecant, C...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14292
Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.
...ments for subsequent functions or programs. In the argument list, be sure to use the same arguments that are used in the definition. Arguments are placeholders that represent whatever values passed to the function. Functions can be created using one of the following methods: 1. Using the [STO-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11806
Solution 10580: Finding the Area Below a Function Using a TI-86.
... a numerical approximation for a definite integral, uses the following syntax: FnInt(expression, variable name, lower limit, upper limit) NOTE: To access this function, press [2nd] [CALC] [F5]. Example: What is the area under the function y = 2 - 2x between -2 and 1? • Press [2nd] [CALC] [F5...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10580
Solution 10427: Finding the Limit of a Function Using the TI-86 Graphing Calculator.
... using the TI-86? To find the limit of a function on the TI-86, it must first be graphed in the interval comprising the given value the function approaches. Then, use the table feature to display values that surround the given value. In the table setup editor, choose a beginning value that is les...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10427
Solution 11595: Displaying of a Numeric Answer Instead of a Symbolic Answer when Using the Integration Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... Variables can be deleted by pressing [F6][ENTER] from the home screen or by using the DelVar command. The calculator resorted to a numerical approach to find the solution for the problem. This could happen when the problem being solved is too 'complex' for the symbolic algorithm to solve. F...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11595
Solution 25870: Setting the Window Range When Graphing the Normal PDF Function Using a TI-89 Family, TI-92 Plus or Voyage™ 200 Graphing Calculator.
...s are listed. If so, clear them out by moving the cursor on top of the functions and pressing [CLEAR]. 2. For Y1, input normalpdf(x,800,40). NOTE: To access the normalpdf function, press [CATALOG] [F3] [6], scroll down to "normalPdf(" and press [ENTER]. 3. Press [green diamond] [F2] to access ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/25870
Solution 13902: Algorithm for the Convert Logbase (>logbase) Function on the TI-89 Titanium and Voyage™ 200 with OS v3.10.
...so one should not expect the ►logbase(2) conversion to return the value of log(8,2) when applied to log(8). In other words, the instruction does not actually change the base of the given logarithm. Instead, it rewrites the given logarithm as an equivalent expression in terms of logarithms with t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13902
Solution 27470: Issues following example Time-Value-of- Money Function in the TI-89 Titanium and Voyage 200 Guidebooks
...e titled "Time-Value-of- Money Function" in both the TI-89 Titanium and Voyage 200 Guidebooks has a typo. The example listed in the guidebook lists spaces where multiplication signs are supposed to be listed. The corrected instructions are listed below: tvm(temp1,temp2,temp3,temp4,temp5,temp6) Fu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/27470
Solution 12263: Using the Constant K Function on the TI-30X IIS/B.
... turns on the constant mode and allows the user to define a constant. K appears in the top of the display when the constant mode is on. The [=] key places the contents of K at the end of the expression in the display. To enter a constant: 1) Press [2nd] [Division]. If a constant is already stor...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12263
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...ly, TI-92 Family or the Voyage ™ 200 graphing handheld will not turn on or function properly? Please Note: Information on battery precautions and replacement can be found in the case entitled "Instructions for Replacing Batteries In a TI Graphing Calculator". For any graphing handheld, please ens...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...TI-82, TI-83, TI-85, TI-85 and TI-86 graphing handheld will not turn on or function properly? Please Note: Information on battery precautions and replacement can be found in the case entitled "Instructions for Replacing Batteries In a TI Graphing Calculator". Please ensure that there are no butto...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 10474: Using Memory Functions and Operations on the TI-1795 SV.
... 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' appears in the top left of...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10474
Solution 34619: Finding the Limit of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... in function that can easily find the limits on the calculator, there is a work around. Using the example (x+1)/(x-1) let us find the limit as X approaches 3: 1) Press [Y=] 2) Press [ ( ] [X,T,θ,n] [+] [1] [ ) ] [/] [ ( ] [X,T,θ,n] [-] [1] [ ) ] 3) Press [zoom] [6] to select 6:Zstandard and ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34619
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...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 Editor 2) Press [math] then [→] to select the NUM menu 3) Press [5] to select 5:int( 4) Press [X,T,θ,n] to input the X variable ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Science TODAY™ - Growing Bigger by the Decade
Students will examine the current and predicted population data from the countries included in the USA TODAY Snapshot® "Growing bigger by the decade".https://education.ti.com/en/activity/detail/science-today--growing-bigger-by-the-decade
Science TODAY™ - More of U.S. (formally Science TODAY™ - More the Merrier)
Students examine the USA TODAY Snapshot™ "More of U.S.", construct a graph from the data, produce a mathematical model (linear) for the data, determine the rate of change for the data, and make predictions about future population levels.https://education.ti.com/en/activity/detail/science-today--more-of-u-s--formally-science-today--more-the-merrier
Vernier - Graphing Your Motion with EasyData™ App and CBR 2™
Students will use a CBR 2™ motion detector to measure distance and velocity. Students prepare graphs of motion and analyze them. They compare and match graphs of distance versus time and velocity versus time.https://education.ti.com/en/activity/detail/vernier--graphing-your-motion-with-easydata-app-and-cbr-2
Predictable Patterns with Addition
Students learn to compare numbers. They generate patterns using repeated addends and different starting points.https://education.ti.com/en/activity/detail/predictable-patterns-with-addition
Silenced Songbirds
Students calculate the probable number of Golden-Cheeked Warblers present in a particular area. Students prepare a marked map, calculate the number of square miles in the marked area, and estimate the number of birds that live in the area.https://education.ti.com/en/activity/detail/silenced-songbirds