Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...g these polynomials is Hart (ref 4). A thorough treatment of the minor details one has to deal with in implementing the full algorithms for elementary functions (like binary versus decimal number representations and ranging for general arguments) is in Cody(ref 5). The CORDIC algorithm is a ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 11783: Performing Vector Calculations in Polar Form on the TI-83 Plus Family of Graphing Calculators.
... the ex command. 2) Input 40 and press [2nd] [^] to input the π symbol. 3) Press the [÷] key 4) Input 180 and press [2nd] [.] to input the i (imaginary i) symbol. 5) Press the [ ) ] key 6) Press the [+] key. Input 30 and press [2nd] [LN] to input the ex command. 7) Input 67 and press [2nd] [^] t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11783
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... a negative number, the message ERR:NONREAL ANS is displayed. This is because an intermediate answer, the square root of a negative number, is imaginary. If the TI-83 family, TI-84 Plus C Silver Edition, or TI-84 Plus family calculator is set to one of its imaginary modes, the unit will return th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 34420: Performing T-Test Computations Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ing the data: 1) Press [STAT] [1] to access the STAT List Editor. 2) Input the example data into the L1 list, pressing the [ENTER] key after each entry. 3) Press [2nd] [MODE] to QUIT the STAT List Editor and return to the home screen. Computing the T-Test: 1) Press [STAT] and scroll to the le...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34420
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ress [STO>] [X,T,theta,n] [ENTER] (the Rx value is now stored to the variable X). 5) Press [2nd] [APPS] [8] to access the ANGLE menu and paste the P>Ry( function onto the home screen. 6) Press [5] [,] [3] [0] [ ) ]. 7) Press [STO>] [ALPHA] [1] [ENTER] (the Ry value is now stored to the variable ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921
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 th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/21911
Solution 30190: Using The Significant Numbers Calculator From The Science Tools App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ignificant figures) should be included when you report measurement results. However, you will often encounter measurement values reported with arbitrary precision. The Sig-Fig Calculator tool lets you: Display the significant figures of entered values. Perform mathematical operations us...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...arch How do I disable the STAT wizards on the TI-84 Plus family of graphing calculators? The STAT wizards prompt the user for all the necessary input for a given statistical calculation which helps reduce syntax errors. Below is a picture of the STAT wizard for the Linear Regression, Lin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 12650: Calculating Trigonometric Functions on the TI-81.
...mation. Please Note: The TI-81 has been discontinued. When upgrading, consider the TI-84 Plus CE graphing calculator. It is ideal for algebra, geometry, statistics, finance, and many other classes. The TI-84 Plus CE has an upgradeable operating system, several included Apps, a rechargeable batte...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 10425: Finding the Absolute Value or Argument of a Complex Number on the TI-86.
... find the absolute value or argument of a complex number on the TI-86? The example below shows how to find the absolute value (argument) of an imaginary number. Example: Find the absolute value of 53-22i Solution: • Press [2nd][MODE] • Scroll down to PolarC and press [ENTER] • Press [2nd][MAT...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10425
Solution 10417: Calculating Two-Variable Statistics on the TI-86
...] [STAT]. 2) Press [F2] to select Edit. 3) Enter the data in the xStat and yStat lists. (Note: a frequency list, fStat, can be used to save data entry time. For this example, the frequency of each answer is 1, so clear the fStat list and leave it blank.) 4) Press [2nd] [QUIT] to leave the edi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 12217: Locked Variables Are Not Displayed in Open Dialog Box Choices on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
...se of locked variables on the TI-89 family, TI-92 family and Voyage 200 is to keep the variable from being edited. All of the editors (Program, Geometry, Data/Matrix, Text) change the variable directly in memory (the editors do not work on a copy of the variable, but the variable itself). To edit...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12217
Solution 11831: Correcting an Address Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...yage 200 calculators. Please Note: The following procedures will completely reset the calculator. Please, bear in mind that this will erase the memory of the calculator and restore all manufacturer's defaults. On the TI-89 family: 1) Hold down the following keys [2nd] [] (right and left arro...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11831
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
...TS menu by pressing [2nd][PLOT] • Define as a Pictograph by pressing 1 [ENTER] • Select the diagram representing a pictograph • Make sure the category and Data list are properly listed as City and Dist • Set the scale at 500 • Select Vert for vertical • Press [GRAPH] to display the stat plots ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 12172: Using the Ans() function on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
... the ans() function on the TI-89 Titanium and Voyage 200 graphing calculators? The ans() function returns a previous answer from the Home screen history area.If an integer is used as an argument, it will specify which answer to recall. The valid range of integer that can be used is 1 to 99 and ca...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12172
Solution 11826: Calculating nth Power and Roots Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...S 3.10 or higher to calculate the cube root of 27. 1) From the HOME screen, press [GREEN DIAMOND] [9] and the root( function will populate in the entry line. 2) Input 27, press [,] and enter 3. 3) Press [)] [ENTER]. The screen will display 3. Please Note: It is necessary to put parentheses aroun...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11826
Solution 12170: Using the "and" Operator on TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...nd operator is primarily used to compare two Boolean expressions, lists, or matrices and returns true, false, or a simplified form of the original entry. When used with integers, the and operator compares them bit-by-bit using an and operation. Internally, both integers are converted to signed, 3...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12170
Solution 11815: Finding a Maximum or Minimum of a Function on a TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
...ctually have a maximum or minimum in order for it to be calculated. To find the maximum of the function -X2+X+6: 1) Press [◊] [Y=]. 2) In an open entry line, press [(-)] [X] [^] [2] [+] [X] [+] [6]. 3) Press [◊] [GRAPH]. 4) Press [F5] [4]. 5) Specify the lower bound for xc by either moving the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11815
Solution 15464: Definition of Time, Web, and Custom Settings for Axes When Graphing Sequences on the TI-89 Titanium and Voyage™ 200.
...ome | Other Graphing Calculator products Knowledge Base Knowledge Base Search When is it best to use the Axes Mode setting when graphing sequences on the TI-89 Titanium or Voyage™ 200? Please see the below descriptions:• TIME: The time format for graphing s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15464
Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
... Knowledge Base Search How can I use a local variable on the TI-89 family, TI-92 Plus, or Voyage 200? A local variable is a temporary variable that exists only while a user-defined function is being evaluated or a user-defined program is running. As often as possible, use local...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813
Solution 15346: Graphing 2D Implicit Functions on the TI-89 Titanium, TI-92 Plus, and Voyage™ 200.
...ay the graph. Notes: • Graphing implicit functions this way takes a long time. • Change the format style to WIRE FRAME if the function is taking a very long time to graph. • It is not possible to trace an implicit plot. For additional instructions, refer to the online guidebook for your calculat...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15346
Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...l to Variable: and type in a name. 3) Press [ENTER] two times. Enter X and Y values: 1) Under c1 enter the X values, press [ENTER] after each entry. 2) Under c2 enter the Y values, press [ENTER] after each entry. Graph the data: 1) Press [F2]. 2) Press [F1]. 3) Select plot type (use scatt...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12092
Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ons. Fill in the following options. • Press [ENTER] [ENTER] to save these settings.• Press [diamond key] [GRAPH] to view the graph. It may be necessary to change the current viewing window by pressing [F2] [9] for a ZoomData fit. Note: What do if I get the error message "Plot Setup" when setti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091
Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...nSolve (myeqn(), x) Also, using the "with" operator to appropriately constrain the search range can greatly speed the solution. For example, it is very important to restrict the interest rate to positive values when solving the Time Value of Money equation for the interest rate, and it is also h...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11835
Solution 12058: Fractions with the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ion. Use propFrac() function to return an improper fraction as a mixed number, which is accessed by pressing [2nd][MATH][9][7]. Please Note: Before trying the examples below, enter the [MODE] menu and change the Exact/Approximate setting to Exact. Examples: Calculate 3/4 + 7/5 (Answer: 43/20)...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12058