Solution 17009: Replacing the Battery In a TI-1795 SV.
...y has been replaced, attach the back case of the unit on to the front case and replace the screws. 5) Turn the unit on. The calculator should now function properly. Safety precautions: 1) Avoid contact with other calculator components while changing the battery. 2) Properly dispose of the use...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/17009
Solution 11591: Correcting the Circular Definition Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... family, and Voyage 200 graphing calculators? A change was made in the TI-89, TI-89 Titanium, TI-92 Plus and Voyage 200 operating systems to detect function and program calls that have expressions of symbolic variable argument names that are the same as those used to define the function or progra...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11591
Solution 15180: Replacing and Installing the Battery In a TI-15 Explorer™ Calculator.
...or. Avoid making contact with other components inside the calculator while changing the battery. Dispose of old batteries properly. Do not incinerate batteries or leave where children can find them. If your calculator does not power on, please see Warranty Information on Texas Instrume...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/15180
Solution 14800: Replacing the Battery in a TI-1706 SV.
...ents while changing the battery. • Properly dispose of the used battery immediately. • Do not leave batteries within the reach of children. • Do not incinerate batteries. If your calculator does not power on, please see Warranty Information on Texas Instruments Products Purchased in the United S...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/14800
Solution 22310: Correcting the Error Message Variable is Locked, Protected, or Archived on the TI-89 Family, TI-92 Family and Voyage™ 200.
...hen attempting to delete a locked program, equation, list, etc. from the var-link menu using a TI-89 family, TI-92 family or Voyage 200 calculator. Since the item to be deleted is locked, then the user will not be able to remove it from the unit. To unlock the item and delete it, please see th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/22310
Solution 29030: Input is Returned as the Solution After Pressing the [enter] Key When Using the TI-36X Pro Scientific Calculator.
... pressing [enter], why does the TI-36X Pro scientific calculator return my input as the solution? The TI-36X Pro scientific calculator has built-in functionality called "MathPrint" which is similar to what is found on the TI-84 Plus family and TI-Nspire family handhelds. MathPrint allows the calc...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/29030
Solution 12294: Replacing and Installing the Battery in a TI 34II Explorer Plus™.
... while changing the battery. 3) Properly dispose of the used battery immediately. 4) Do not leave batteries within the reach of children. 5) Do not incinerate batteries. Please see the TI-34 II Explorer Plus guidebook for additional information. Solution 12294: Replacing and Installing the Ba...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12294
Solution 12262: Replacing and Installing the Battery in a TI-30X IIS.
...lips screwdriver to remove the old battery and insert a new one. 5) Place the back case on the unit and replace the screws. The TI-30X IIS should function properly once the ON key is pressed. Please Note: Be careful not to damage any internal parts and avoid contact with components while cha...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12262
Solution 12229: Differences Between the TI-10 and TI-15 Explorer™.
...ors Knowledge Base Knowledge Base Search How does the TI-10 differ from the TI-15 Explorer? The TI-10 was created for a younger audience than the TI-15 Explorer. Even though the calculators have many of the same features, some major differences were necessary to make it...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12229
Solution 10477: Replacing and Installing the Batteries in a TI-35X.
...ge Base Search How do I replace and install the batteries in a TI-35X? The TI-35X uses two A-76 batteries. Comparable battery model numbers include:Duracell® D357Eveready® 357To replace the batteries:• Turn the calculator off. • Place a small screwdriver, paper clip, or a similar instrum...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/10477
Solution 35615: Replacing the Battery in a TI-36X Pro Scientific Calculator.
...ted warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replace the battery. However, since your calculator is already out of warranty, you might choose to remove the back case to replace the battery. To remove the battery: 1) Remove ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
...he profit, $67.62. Example: Percent Change or Delta Percent Using the [MU] key: What is the percent change between an original price of $140 and an increased price of $175? • Input 175, [-], 140. • Press the [MU] key. This calculates the percent change, 25%. • Press the [MU] key again. This ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...he TI-83 Plus and TI-84 Plus family of graphing calculators? The TI-83 Plus 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 nu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 34612: Calculating Inverse Natural Logarithms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e natural logarithm (or e) of a number: Example: Compute the inverse natural log of .5. 1) Press [2nd] then [ln] to input the inverse natural log function (e) 2) Press [.] [5] 3) Press [enter] to complete the calculation Example: Calculate the inverse natural log of 1. 1) Press [2nd] [ln] t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34612
Solution 10688: Replacing the Batteries In a TI-30Xa.
...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 battery on a TI-30Xa Scientific calculator: For sa...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10688
Solution 34733: Performing Degrees, Minutes, Seconds (DMS) Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...DE] to QUIT and return to the home screen. • Input 15.375. • Press [2nd] [APPS] to access the ANGLE menu, then press the [4] key to select the ►DMS function (convert to degrees, minutes, seconds). • Press [ENTER] to complete the conversion process. Below is an example of how to convert a ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34733
Solution 12288: Inverse Function on the TI-34 II Explorer Plus™.
...TI-34 II Explorer Plus calculator, the [x-1] key is used to calculate the inverse (or reciprocal) of a value. The [x-1] function is accessed by pressing [2nd] [EE]. Please refer to the example provided below. Example: Find the inverse of 3. 1) Press [3] [2nd] [EE] [=].The displayed result of 0.33...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12288
Solution 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.
... Knowledge Base Search How do I calculate logs of bases other than 10 on the TI-84 Plus family of graphing calculators? The logbase( function can be used to perform log calculations with bases other than 10 on the TI-84 Plus family of graphing calculators. Please Note: The TI-84 Pl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34592
Solution 12162: Symbolic Derivative Example Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...:d(expression,variable[,order])Returns the first derivative of expression with respect to variable. The optional argument and accompanying comma are enclosed in brackets. If included, order must be an integer. If the order is less than zero, the result will be an anti-derivative.Example: Find the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12162
Solution 12158: Solving System of Equations Using TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...e system of equations on a TI-89 family, TI-92 family and Voyage 200 graphing calculator? The example below will demonstrate how to use the SIMULT( function to solve system of equations on the TI-89 family, TI-92 family and Voyage 200.For Example: Solve the following for x, y and z. 3x + 3y - 4z ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12158
Solution 12169: Typing Lower Case and Upper Case Letters on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...d then the letter key Type a space [ALPHA] [_] (alpha function of the [(-)] key) spacebar Turn on lowercase a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12169
Simple Ionic Compounds
In this lesson students will review and test their understanding of simple ionic compounds.https://education.ti.com/en/activity/detail/simple-ionic-compounds
Vernier - Photosynthesis
Students will use a Colorimeter to compare the rates of photosynthesis for plants in different light conditions. They investigate the role of chloroplasts and light on photosynthesis.https://education.ti.com/en/activity/detail/vernier--photosynthesis
Growing Babies
In this activity, students observe and graph data about human fetal growth rates. Students build a regression model based on the data and compare values with those of other mammals. They also compare the data to non-mammal species.https://education.ti.com/en/activity/detail/growing-babies
Science TODAY™ - Clearing the Bar
Students will explore the effects of two critical physical factors on potential success in the pole vault event in track and field.https://education.ti.com/en/activity/detail/science-today--clearing-the-bar