Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
... using the Mark-Up key for calculations of mark-up, margin-up (or Gross Profit Margin), and percent change. Example: Using [MU] for Mark-Up: An item costing $355 needs to sell at a 16% profit. What is the selling price of the item, and how much profit will be made? Before beginning the calculat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
... necessary to define the order of operations within an expression. For example, the calculator reads the expression -32 as (-1) x 32, and evaluates accordingly. The parentheses will assign the negative symbol to the value to be squared. Please follow these steps for squaring negative numbers usin...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
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 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... calculators? The sum function is used to find the sum of the elements in a list. The syntax is sum(list[,start, end]). The optional arguments and accompanying commas are enclosed in brackets. If included, it returns the sum of the elements of the list from start to end. Example: Find the sum o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34618
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.
...ces between the TI-30X and TI-30Xa? The key difference between the TI-30X and TI-30Xa is that the TI-30Xa does not automatically use the [=] key as a constant. As requested by educators, it has a [k] key that will turn on the [=] key to be used as a constant. When the [k] key is selected a [k] wi...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 34603: Finding the X-Intercept of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...find the x-intercepts of a function on the TI-83 Plus and TI-84 Plus family of graphing calculators? To find the x-intercepts of a function, the zero command must be used. Follow the example below for help with using the zero command. Example: 2X - 7 1) Press [Y=] to access the Y= Editor. 2) Pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34603
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 12321: Difference Between [ (-) ] and [ - ] Keys on Two Line Elementary and Scientific Calculators.
...cientific calculators that appear to be similar. The [(-)] is the negate key, which is often mistakenly used as the subtraction key. The negation key converts a positive number into a negative number for the purpose of a particular calculation. The [-] is a subtraction key which is used to subtr...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12321
Solution 34597: Shortcuts for Working with Menus on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...• When working in a menu that has a long list of items, i.e., [CATALOG] or [APPS]; to jump down to a specific portion of the list, press the key that corresponds to the first letter of the function to be used. For example, when in the CATALOG, pressing the [APPS] key will jump the user to the "B"...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34597
Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
...B / TI-30X IIS do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes, which can be incorporated into Algebra by storing values to the variables, then using the variables to solve the equation. For Example: Solve the equation 2X^2+5X...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12324
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 10696: Replacing The Battery in a TI-36X II .
... internal parts.3) Remove battery, using a small Phillips screwdriver if necessary; replace the old battery with the new battery. Install battery according to polarity (+ and -) diagrams.Caution: Avoid contact with other TI-36X II components while changing the battery.If necessary, press ON an...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10696
Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...with the frequency list (freqlist). If a freqlist is not specified in the mean() function, the default value for freqlist is 1. Each freqlist element counts the number of consecutive occurrences of the corresponding element in the list. Refer to the examples provided below. Example: Find the mea...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34731
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
...ate answer possible. With this in mind, plus the fact that it uses a 13-digit approximation of the irrational number p, the TI-68 is calculating the correct answer. Since the value of p is in error in the 13th digit, some results using that value will also be in error in the 13th digit. Some c...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 11648: Printer Display Calculator Will Not Add Or Subtract.
...The printing calculator should function as expected once the switch is moved to [Calc]. If this does not return the unit to proper operation, please contact TI-Cares to get further assistance. Note: Texas Instruments discontinued the entire line of printing calculators more than 15 years ago. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/11648
Solution 12291: Performing Trigonometry Calculations on the TI-34 II Explorer Plus™.
...ge Base Knowledge Base Search How do I perform trigonometry calculations on the TI-34 II Explorer Plus? To calculate sine, cosine, and tangent using the TI-34 II Explorer Plus, please follow the examples below. Example: Sine of 30 degrees 1) Press [2nd] [TRIG] 2) Press ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12291
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 12286: Inputting Exponents (Powers) Using the TI-30X IIS/B, TI-34 II Explorer Plus™, TI-30XS MultiView™, and TI-34 MultiView™.
...ents for a negative value, it is necessary to put parentheses around the negative value. If parentheses are not used, the calculator will return an incorrect solution.For example: -44 = ? 1) Press [ ( ] [(-)] and input 4.2) Press [ ) ] [^], input 4 and press [enter].The answer is 256. If parenthe...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12286
Solution 34841:Troubleshooting the TI-83 Plus and TI-84 Plus Family of Graphing Calculators Requesting a Password.
... cause the TI-83 Plus and TI-84 Plus family of graphing calculators to request a password to use the calculator. The password will have to be entered correctly or the assembly shell program will need to be removed in order to bypass the password and use the calculator. The following procedure wil...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34841
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