Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. ... TI-84 Plus; TI-84 CE; TI-83 ...Apr 23, 2018 · To factor on a TI-84, you can use the Equation Solver function. To access it, press the MATH button on your calculator, then hit the up arrow to scroll directly to the bottom of the list. Press ENTER and input the equation. You can also add a custom program to your calculator to more easily factor polynomials. Jul 1, 2019 · Visit InfinityCalcs.comHow to locate the Less Than or Equal To command on a TI 84 PLUS. Finding the roots of a polynomial. Once the PlySmlt2 app has started, press [1] on the MAIN MENU to begin finding the roots of polynomials. First, configure the poly root finder mode screen. To find roots of the polynomial, Y = X 3 + 3X 2 – 6X – 8, set the order (degree) to three. See the first screen. On the MAIN MENU, press [4] to access ...Learn how to solve equations on the TI 84 Plus Calculators!Questions? Just Ask!Black and White Video: Coming Soon!In the plane, u·v = u1v1 + u2v2; in space it’s u1v1 + u2v2 + u3v3. If you tell the TI-83/84 to multiply two lists, it multiplies the elements of the two lists to make a third list. The sum of the elements of that third list is the dot product of the vectors. Example: If u = [2,3,1] and v = [4,−3,2], find u·v. First invoke the summation ...Type a 7 on the Home screen, then press 2nd [TEST] to display the TEST menu. This is the second function on the MATH key. Choice 5 on the menu is the “”less than”” symbol. Either press 5 or ENTER with the Down Arrow key to highlight the 5. After the 7.How do you get a TI 84 Plus to have a greater than sign?Mar 26, 2016 · The TI-84 Plus C displays functions and information in the border of the graph screen. The TI-84 Plus displays similar information directly on the graph screen. Press the right-arrow key to find the direction of motion of the parametric equations. Pay attention to the direction of motion as you increase the value of T. Enter a specific T value. Press [ALPHA] [Y=] to access the FRAC menu. The first two options in the FRAC menu are easy-to-use fraction templates: n/d: Enter fractions in the fraction template. Un/d: Enter fractions in the mixed number template. See the first screen. The next two options are used for conversion:Do to this, press APPS and choose Inequalz. You should see the 'less than', 'greater than', 'less than or equal to', or 'greater than or equal to' symbols at the bottom of the Y= screen. To change and equals sign to one of those symbols, highlight the equals sign, press ALPHA, and then press the button directly under the sign you want to use ...1. For a ti-84 program I used the quadratic equation and stored the root with the plus sign as N and the root with the negative sign as R. I then want to only use the positive root as the value for the rest of the program (if both are positive it doesn't matter I just want to check one is positive), so I did as follows: If N>0 --> U ElseR-->U.How to type the greater than symbol on TI-84 - Quora. Something went wrong.Press [2nd] [+] [2] to enter the Memory Management menu, as shown in the first screen. Then press [4] to see the data lists that are stored in memory. Use the down-arrow key to move the indicator to the list you want to delete, as shown in the second screen. Press [DEL] to delete that list. When you’re finished deleting lists from memory ...Mar 26, 2016 · To assign a value to a variable, use the. keys to place the cursor on the number currently assigned to that variable and then key in the new value. As you start to key in the new value, the old value is erased. Press [ENTER] when you’re finished entering the new value (as illustrated in the second screen, where values are assigned to ... Type a 7 on the Home screen, then press 2nd [TEST] to display the TEST menu. This is the second function on the MATH key. Choice 5 on the menu is the “”less than”” symbol. Either press 5 or ENTER with the Down Arrow key to highlight the 5. After the 7.How do you get a TI 84 Plus to have a greater than sign?Knowledge Base Home | TI-83 Plus and TI-84 Plus family of products Solution 11887: Locating the Equal Sign on the TI-83 Family, TI-84 Plus Family, or TI-Nspire™ Handheld in TI-84 Plus Mode. Where is the equal sign located on the TI-83 family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus Mode?While editing a program press: PRGM to enter the PRGM menu. RIGHT to enter the I/O menu. 2 to choose Prompt, or use arrows. Calculator Compatibility. TI-83/84/+/SE. Token Size. 1 byte. The Prompt command is the simplest way of getting user input on the home screen (getting user input on the graph screen is only possible with the getKey command).0:00 / 0:24 Where to find equal sign (TI-84 Graphing Calculator) InfinityCalcs 1.93K subscribers Subscribe 231 39K views 4 years ago Where to Find Commands on TI-84 Visit...The TI-84 Plus C graphing calculator is one of the most popular calculators in the world. Find out the important keystrokes you need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus C makes available to you.Where is the equal sign on ti-84? The equal sign is the same as the enter button. ... Which is better ti-89 or ti-84 plus? The TI-89 is the better calculator. It has more functions than the TI-84 ...Where is the equal sign located on the TI-83 family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus Mode? On these units, the "equals" sign ([=]) is located in the [TEST] menu. This menu is a [2nd] function of the [MATH] key. Then press [ENTER]. This will turn off any plots that were on. 2. To clear functions, select them and press [CLEAR]. 3. Enter functions in Y1. You can enter numerous functions by using the down arrow.Use the following hints for entering functions. Use [x,t,theta,n] to type the variable "x". Use the above and then the x squared button to type "x ...http://mcstutoring.com/Private math tutoring and test preparation in Huntington Beach, CA. Subjects include ACT, SAT 1, algebra, geometry, and calculus.Homes...Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. This app works best with JavaScript enabled. CalculatorsPress [2nd] [+] [2] to enter the Memory Management menu, as shown in the first screen. Then press [4] to see the data lists that are stored in memory. Use the down-arrow key to move the indicator to the list you want to delete, as shown in the second screen. Press [DEL] to delete that list. When you’re finished deleting lists from memory ...How to type the greater than symbol on TI-84 - Quora. Something went wrong. One of the easiest ways to input Sin^2 is to type in (Sin (x))2. If you are using a graphing calculator, here’s what you add – Sin (x)^2= (Sin (x))^2. Another way to input Sin^2 in a scientific calculator is to enter X > Press Sin > Press the Squared button. We understand the stress you must have gone through trying to figure out the ...To factor on a TI-84, you can use the Equation Solver function. To access it, press the MATH button on your calculator, then hit the up arrow to scroll directly to the bottom of the list. Press ENTER and input the equation. You can also add a custom program to your calculator to more easily factor polynomials.Before you can graph a function on your TI-84 Plus calculator, you must enter it into the calculator. The calculator can handle up to ten functions at once, Y1 through Y9 and Y0. To enter functions in the calculator, perform the following steps: Press [MODE] and put the calculator in Function mode. To highlight an item in the Mode menu, use the.The Input and Prompt commands on the TI-84 Plus calculator are used in a program to solicit information from the program user. The Input command asks the user for the value of only one variable and enables the program to briefly describe the variable it is requesting. The Prompt command asks the user for the value of one or more variables, but ...Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. This app works best with JavaScript enabled. CalculatorsIs there an equal sign on TI-84? Press your calculator’s 2nd button, located in the top left corner, followed by the MATH/TEST button on the left side. Press Enter, located in the bottom right corner of the calculator, to select the equal sign, which is the first option in the TEST menu.Apr 23, 2018 · To factor on a TI-84, you can use the Equation Solver function. To access it, press the MATH button on your calculator, then hit the up arrow to scroll directly to the bottom of the list. Press ENTER and input the equation. You can also add a custom program to your calculator to more easily factor polynomials. How to type fractions on the TI-84 Plus CE graphing calculator (and the TI-84 Plus C Silver Edition graphing calculator). This video also show you how to typ...Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. ... TI-84 Plus; TI-84 CE; TI-83 ... May 15, 2013 · How to graph absolute value equations and inequalities on the TI 84 graphing calculator. The example below will demonstrate how to graph a simple inequality using these features. Example: Graph y<=3x+2. 1) Press the [Y=] key For Y1=, input 3x+2. 2) Repeatedly press the left arrow key until the symbol to the left of Y1 is flashing. Press the [ENTER] key repeatedly until a triangle pointing to the lower part is displayed.Jul 27, 2021 · The new TI-84 Plus CE Python graphing calculator includes familiar features like a full-color screen, lightweight design and a rechargeable battery that can last up to a month on a single charge. Unlike laptops and tablets, the TI-84 Plus CE Python graphing calculator does not have any distractions like Wi-Fi, Bluetooth or a camera, keeping ... Visit InfinityCalcs.comHow to locate the Greater Than or Equal To command on a TI 84 Plus CE.Free worksheets download, advance algebra, "methods" TI-84 plus download program, dividing algebraic fractions worksheet. Math revision sheets ks3, = 0.416666667 fraction, Trigonometry Answers, yardage decimal convert to fraction, freeonline test papers for primary 4. Perform a 1-Proportion Z-Test (hypothesis test) using a TI-83 or TI-84 graphing calculator.TI-83 at http://amzn.to/1Qiwv3P (affiliate link)TI-84 at http://am...Jan 10, 2023 · Then press [ENTER]. This will turn off any plots that were on. 2. To clear functions, select them and press [CLEAR]. 3. Enter functions in Y1. You can enter numerous functions by using the down arrow.Use the following hints for entering functions. Use [x,t,theta,n] to type the variable "x". Use the above and then the x squared button to type "x ... To do so, follow these steps: If necessary, press [2nd] [MODE] to enter the Home screen. Enter the number you want to store in a variable. You can store a number or an arithmetic expression. Press. The result of this action is shown in the first screen. Press [ALPHA] and press the key corresponding to the letter of the variable in which you ...Feb 28, 2020 · Now it’s time to improve your SAT Calculator score by learning how to use a graphing calculator effectively. 1. Converting fractions to decimals. Any time you have a decimal on the Calculator section, you can change it into a fraction, provided the decimal is a rational number. Feb 28, 2020 · Now it’s time to improve your SAT Calculator score by learning how to use a graphing calculator effectively. 1. Converting fractions to decimals. Any time you have a decimal on the Calculator section, you can change it into a fraction, provided the decimal is a rational number. Dec 10, 2022 · Where is the equal sign on ti-84? The equal sign is the same as the enter button. ... Which is better ti-89 or ti-84 plus? The TI-89 is the better calculator. It has more functions than the TI-84 ... How do I graph inequalities on the TI-84 Plus CE and TI-84 Plus C Silver Edition? The Y= Editor does not allow an inequality to be directly entered into the calculator. However, the graph styles feature can be utilized to show the solution set for an inequality. May 15, 2013 · How to graph absolute value equations and inequalities on the TI 84 graphing calculator. Before you can graph a function on your TI-84 Plus calculator, you must enter it into the calculator. The calculator can handle up to ten functions at once, Y1 through Y9 and Y0. To enter functions in the calculator, perform the following steps: Press [MODE] and put the calculator in Function mode. To highlight an item in the Mode menu, use the.How to graph absolute value equations and inequalities on the TI 84 graphing calculator.Press [ALPHA] [Y=] to access the FRAC menu. The first two options in the FRAC menu are easy-to-use fraction templates: n/d: Enter fractions in the fraction template. Un/d: Enter fractions in the mixed number template. See the first screen. The next two options are used for conversion:VDOM DHTML tml>. Where is the = button on the TI-83 calculator? - Quora. Do to this, press APPS and choose Inequalz. You should see the 'less than', 'greater than', 'less than or equal to', or 'greater than or equal to' symbols at the bottom of the Y= screen. To change and equals sign to one of those symbols, highlight the equals sign, press ALPHA, and then press the button directly under the sign you want to use ...Graphing Systems of Linear Inequalities on the TI 84 Plus CE Graphing Calculator.If you are thinking about joining the military, read my article about joinin...TI-84 Plus CE CATALOG. This item accesses special characters and accent marks used in the language that you chose for localization. You can use these special characters and accent marks for display messages and text strings that you want to store to a variable. You cannot, however, use them in variable names. 1. Press y N to display the CATALOG.One of the easiest ways to input Sin^2 is to type in (Sin (x))2. If you are using a graphing calculator, here’s what you add – Sin (x)^2= (Sin (x))^2. Another way to input Sin^2 in a scientific calculator is to enter X > Press Sin > Press the Squared button. We understand the stress you must have gone through trying to figure out the ...Mar 26, 2016 · To change the highlighted status of an inequality sign, place the cursor on that sign and press [ENTER]. You graph the inequalities defined in the Y= and X= editors the same way you graph a normal function. You either define the variables in the Window editor and press [GRAPH] or use one of the Zoom commands. Mar 26, 2016 · Using the TI-84 [ENTER] key. The [ENTER] key is used to evaluate expressions and to execute commands. After you have, for example, entered an arithmetic expression (such as 5 + 4), press [ENTER] to evaluate that expression. In this context, the [ENTER] key functions as the equal sign. Mar 26, 2016 · TI-84 Plus CE Graphing Calculator For Dummies, 3rd Edition. The Equation Solver on your TI-84 Plus calculator is a great tool for solving one-variable equations. The Solver is also capable of solving an equation for one variable given the values of the other variables. Keep in mind that the Solver can only produce real-number solutions. Apr 12, 2022 · The good news is that it’s actually very simple to do. You only need to remember simple mathematical rules. In order to calculate the 5th root of 100, just raise 100 to the 1/5th power. You can do this in the TI-84 Plus by typing: 100^ (1/5) ENTER. The 5th root of 100 is equal to 2.51189 in this example. Mar 26, 2016 · TI-84 Plus CE Graphing Calculator For Dummies, 3rd Edition. The Equation Solver on your TI-84 Plus calculator is a great tool for solving one-variable equations. The Solver is also capable of solving an equation for one variable given the values of the other variables. Keep in mind that the Solver can only produce real-number solutions. Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. This app works best with JavaScript enabled. CalculatorsSolving Basic Equations. Access the Numeric Solver by pressing the [Math] button, and then pressing the up arrow key to select the last option. Press enter to open it. You should now see the equation solver screen. The two boxes that are displayed represent the two sides of the equation. Type the left side of the equation into the E1 box.VDOM DHTML tml>. Where is the = button on the TI-83 calculator? - Quora. Jan 10, 2023 · Then press [ENTER]. This will turn off any plots that were on. 2. To clear functions, select them and press [CLEAR]. 3. Enter functions in Y1. You can enter numerous functions by using the down arrow.Use the following hints for entering functions. Use [x,t,theta,n] to type the variable "x". Use the above and then the x squared button to type "x ... This is a video in my Graphing Calculator Tutorial Series. In this video, I demonstrate how to graph inequalities on the TI-84 Plus CE graphing Calculator. I...Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. ... TI-84 Plus; TI-84 CE; TI-83 ...Jun 4, 2019 · Subscribe. 79. Share. 31K views 4 years ago Where To Find Commands on TI-84 CE. Visit InfinityCalcs.com How to locate the equal sign on TI 84 Plus CE ...more. ...more. Apr 25, 2018 · Press Enter, located in the bottom right corner of the calculator, to select the equal sign, which is the first option in the TEST menu. If you accidentally selected something else, use the arrow keys to navigate back to the equal sign option. This produces an equal sign in the operation or program you were working on. Mar 26, 2016 · TI-84 Plus CE Graphing Calculator For Dummies, 3rd Edition. The Equation Solver on your TI-84 Plus calculator is a great tool for solving one-variable equations. The Solver is also capable of solving an equation for one variable given the values of the other variables. Keep in mind that the Solver can only produce real-number solutions. How to type fractions on the TI-84 Plus CE graphing calculator (and the TI-84 Plus C Silver Edition graphing calculator). This video also show you how to typ...Select the TI-84 Plus SE option. Then click Next. Choose the Option: Download OS files from TI’s website Choose: TI OS Version OS 2.55 MP from the pull down menu.Oct 20, 2020 · Emulator: https://drive.google.com/file/d/1FngxJGLfCPU6DHOBk56ipTxxPc7b466F/view?usp=sharingTI-84: https://drive.google.com/file/d/1wfcUb2KSUx9omX1fq6SWu_r-S... Jun 12, 2019 · Visit InfinityCalcs.com How to locate the Less Than or Equal To Sign command on a TI 84 Plus CE. Featured playlist. 146 videos. Where To Find Commands on TI-84 CE. InfinityCalcs. Knowledge Base Home | TI-83 Plus and TI-84 Plus family of products Solution 11887: Locating the Equal Sign on the TI-83 Family, TI-84 Plus Family, or TI-Nspire™ Handheld in TI-84 Plus Mode. Where is the equal sign located on the TI-83 family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus Mode?In this video, I give a introductory tutorial on the Texas Instruments TI-84 Plus calculator, one of the most commonly used graphing calculators today.Topics...Then press [ENTER]. This will turn off any plots that were on. 2. To clear functions, select them and press [CLEAR]. 3. Enter functions in Y1. You can enter numerous functions by using the down arrow.Use the following hints for entering functions. Use [x,t,theta,n] to type the variable "x". Use the above and then the x squared button to type "x ...Mar 26, 2016 · The second step of solving an equation in the TI-84 Plus graphing calculator's Equation Solver is to enter or edit the equation to be solved. The first step is to set the mode. To enter a new equation in the Equation Solver, follow these steps: Press [MATH] [0] to access the Equation Solver from the Math menu. The Equation Solver appears. How to type the greater than symbol on TI-84 - Quora. Something went wrong. The TI-84 Plus C graphing calculator is one of the most popular calculators in the world. Find out the important keystrokes you need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus C makes available to you.User-generated tables on your TI-84 Plus. To create a user-generated table, perform the following steps: Press [2nd] [WINDOW] to access the Table Setup editor. Set the mode for Indpnt and Depend. To change the mode of either Indpnt or Depend, use the arrow keys to place the cursor on the desired mode, either Auto or Ask, and then press [ENTER].Option 1) Access the modern TI-84 Plus CE Calculator Online. Step 1: Click here www.Testnav.com. Step 2: Click the blue Start button. Step 3: Click another blue Start button. Step 4: Click the small gray calculator icon at the center top. Step 5: The TI-84 Plus CE Online Calculator pops up. Step 6: Press any calculator button to start using the ...Then press [ENTER]. This will turn off any plots that were on. 2. To clear functions, select them and press [CLEAR]. 3. Enter functions in Y1. You can enter numerous functions by using the down arrow.Use the following hints for entering functions. Use [x,t,theta,n] to type the variable "x". Use the above and then the x squared button to type "x ...Where is the equal sign on ti-84? The equal sign is the same as the enter button. ... Which is better ti-89 or ti-84 plus? The TI-89 is the better calculator. It has more functions than the TI-84 ...Thousands of students come to Infinity Calcs to find information on TI 84 graphing calculator tutorials, games, programming and more. ... TI-84 Plus; TI-84 CE; TI-83 ... TI-84 Plus CE Graphing Calculator For Dummies, 3rd Edition. The Equation Solver on your TI-84 Plus calculator is a great tool for solving one-variable equations. The Solver is also capable of solving an equation for one variable given the values of the other variables. Keep in mind that the Solver can only produce real-number solutions.In the plane, u·v = u1v1 + u2v2; in space it’s u1v1 + u2v2 + u3v3. If you tell the TI-83/84 to multiply two lists, it multiplies the elements of the two lists to make a third list. The sum of the elements of that third list is the dot product of the vectors. Example: If u = [2,3,1] and v = [4,−3,2], find u·v. First invoke the summation ...Wait while your calculator plots your scatter line. Press the “Stat” key. Highlight the “Calc” option. Scroll down to option 4. Press the “Enter” key. Press the “Enter” key again. Wait for the calculation. The “a” value displayed on your calculator represents the slope of the scatter plot line. The “b” value displayed on ...Free worksheets download, advance algebra, "methods" TI-84 plus download program, dividing algebraic fractions worksheet. Math revision sheets ks3, = 0.416666667 fraction, Trigonometry Answers, yardage decimal convert to fraction, freeonline test papers for primary 4. Jul 1, 2019 · Visit InfinityCalcs.comHow to locate the Greater Than Sign command on a TI 84 PLUS.
The Input and Prompt commands on the TI-84 Plus calculator are used in a program to solicit information from the program user. The Input command asks the user for the value of only one variable and enables the program to briefly describe the variable it is requesting. The Prompt command asks the user for the value of one or more variables, but .... Hash house a go go
Interpolating between two known values is commonly required in fluid mechanics and thermodynamics. Writing an interpolation program into the TI 84 calculato...Mar 26, 2016 · Using the TI-84 [ENTER] key. The [ENTER] key is used to evaluate expressions and to execute commands. After you have, for example, entered an arithmetic expression (such as 5 + 4), press [ENTER] to evaluate that expression. In this context, the [ENTER] key functions as the equal sign. Nov 13, 2020 · In the plane, u·v = u1v1 + u2v2; in space it’s u1v1 + u2v2 + u3v3. If you tell the TI-83/84 to multiply two lists, it multiplies the elements of the two lists to make a third list. The sum of the elements of that third list is the dot product of the vectors. Example: If u = [2,3,1] and v = [4,−3,2], find u·v. First invoke the summation ... You have to be paying attention to notice that a function has been deactivated. See the first screen. Notice the equal sign next to Y 1 isn’t highlighted. This means the function has been deactivated. To activate a function that has been deactivated, move your cursor to the equal sign in the Y= editor and press [ENTER].Mar 6, 2017 · 1. For a ti-84 program I used the quadratic equation and stored the root with the plus sign as N and the root with the negative sign as R. I then want to only use the positive root as the value for the rest of the program (if both are positive it doesn't matter I just want to check one is positive), so I did as follows: If N>0 --> U ElseR-->U. Do to this, press APPS and choose Inequalz. You should see the 'less than', 'greater than', 'less than or equal to', or 'greater than or equal to' symbols at the bottom of the Y= screen. To change and equals sign to one of those symbols, highlight the equals sign, press ALPHA, and then press the button directly under the sign you want to use ...Mar 6, 2017 · 1. For a ti-84 program I used the quadratic equation and stored the root with the plus sign as N and the root with the negative sign as R. I then want to only use the positive root as the value for the rest of the program (if both are positive it doesn't matter I just want to check one is positive), so I did as follows: If N>0 --> U ElseR-->U. 1,276. Getting Started with the TI-84 Plus CE Python Graphing Calculator (English) View: View. 5.7. 1,347. CE TI-Basic Programming Guide for the TI CE Family of Graphing Calculators (English) View: View.Dec 25, 2018 · Learn how to find the derivative of a function at any point using the derivative option on the TI-84 Plus CE (or any other TI-84 Plus) graphing calculator.Ca... Jan 21, 2022 · The TI-84 Plus C graphing calculator is one of the most popular calculators in the world. Find out the important keystrokes you need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus C makes available to you. Mar 26, 2016 · TI-89 Graphing Calculator For Dummies. Explore Book Buy On Amazon. Of course your calculator needs a not-equal-to sign, but the TI-89 graphing calculator also offers the @, an exclamation mark, and a sigma. The following list shows you how to produce these symbols and more: Where to find Equal Sign (TI-84 CE Graphing Calculator) InfinityCalcs 1.94K subscribers Subscribe 79 Share 31K views 4 years ago Where To Find Commands on TI-84 CE Visit...Apr 12, 2022 · The good news is that it’s actually very simple to do. You only need to remember simple mathematical rules. In order to calculate the 5th root of 100, just raise 100 to the 1/5th power. You can do this in the TI-84 Plus by typing: 100^ (1/5) ENTER. The 5th root of 100 is equal to 2.51189 in this example. Mar 26, 2016 · The TI-84 Plus C displays functions and information in the border of the graph screen. The TI-84 Plus displays similar information directly on the graph screen. Press the right-arrow key to find the direction of motion of the parametric equations. Pay attention to the direction of motion as you increase the value of T. Enter a specific T value. Apr 23, 2018 · To factor on a TI-84, you can use the Equation Solver function. To access it, press the MATH button on your calculator, then hit the up arrow to scroll directly to the bottom of the list. Press ENTER and input the equation. You can also add a custom program to your calculator to more easily factor polynomials. .