Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
...d algorithms are used to calculate the most accurate 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 ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 12291: Performing Trigonometry Calculations on the TI-34 II Explorer Plus™.
...RIG] 2) Press [=] to select "sin"3) Input 30 and press [)][=]The answer will be displayed as .5.Example: Cosine of 30 degrees1) Press [2nd] [TRIG]2) Arrow over to "cos" and press [=]3) Input 30 and press [)] [=]The answer will be displayed as .866025...Example: Tangent of 30 degrees 1) Press [2nd...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12291
Solution 34843: Entering Complex Elements in a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ng calculators do not allow the use of complex numbers in matrices. If an imaginary or complex number is entered as a matrix element, a "DATA TYPE" error is returned. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34843: Entering Complex Elements...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34843
Solution 12286: Inputting Exponents (Powers) Using the TI-30X IIS/B, TI-34 II Explorer Plus™, TI-30XS MultiView™, and TI-34 MultiView™.
...ts 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 parenthese...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.
...ause 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 will ...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.
...n the TI-36X II? The TI-36X II calculator can perform logical 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: Exa...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18749
Solution 18949: Using The Problem Solving Tool In Auto Mode On The TI-15 Explorer™.
...lving tool in Auto mode on the TI-15 Explorer: • Press the Problem Solving key [ ], then press [MODE]. • Select AUTO using the right or left arrow keys, then press the down arrow key. • Select the level of difficulty using the right or left arrow keys, then press the down arrow key. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18949
Solution 34831: Entering and Computing Fractions on the TI-84 Plus Family of Graphing Calculators.
...allows fractions to be entered. For example, add 3 2/5 to 3/4 using the steps below: 1) Press [ALPHA] [F1] [1]. 2) Enter in [3]. 3) Press [Down Arrow]. 4) Enter in [4]. 5) Press [Right Arrow]. 6) Press [+]. 7) Press [ALPHA] [F1] [2]. 8) Enter in [3]. 9) Press [Right Arrow]. 10) Enter in [2]....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34831
Solution 12250: Calculating a Hyper Geometric Probability Distribution on the TI-30X IIS/B.
...}/C(12, 4) The values will be input into the TI-30X IIS/B as follows: 1) Input [(] [(] [3]. 2) Press [PRB]. 3) Scroll to nCr using the directional arrows. (There will be a line under nCr indicating that function is selected) 4) Press [ENTER]. 5) Input [1] [)] [(] [9]. 6) Press [PRB]. 7) Scroll ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12250
Solution 33391: Using Hyperbolic Functions on the TI-36X Pro.
...How do I use the hyperbolic functions on the TI-36X Pro? By pressing the Trigonometry keys (sin,cos,tan) repeatedly, you will be able to access the corresponding hyperbolic or inverse hyperbolic functions. Angle modes do not affect hyperbolic calculations. • Press [sin/sin-1] 3 times until sinh( ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33391
Solution 33431: Calculating a Linear Regression on the TI-36X Pro.
...stical data points: 1) Press [data] 2) Input 1 under L1 and press [enter]. Repeat steps until all data points are entered for L1 3) Press the [Right Arrow] to move to L2 4) Input 2 and press [enter]. Repeat steps until all data points are entered for L2 5) Press the [2nd] [stat-reg/distr] and se...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33431
Solution 33793: Performing Unit Conversions on the TI-36X Pro.
...orming Unit Conversions on the TI-36X Pro. website Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I perform unit conversions using the TI...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33793
Solution 12276: Calculating Factorials on the TI-30X IIS, TI-30X IIB, or the TI-34 II Explorer Plus.
...IS, TI-30X IIB, or the TI-34 II Explorer Plus: 1) Input the value for which the factorial will be taken. 2) Press the [PRB] key and press the right arrow key twice [®] [®] to access the "!" function. 3) Press [ENTER] to select the function, then press [ENTER] again to display the result. Please ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12276
Solution 33871: Finding the Reduced Row Echelon Form of a Matrix on a TI-36X Pro.
...elon form of a matrix on a TI-36X Pro? To find the reduced row echelon form of a matrix, input the matrix, exit the matrix editor, and then paste the rref() function on the home screen with the name of the matrix. The example below will demonstrate this procedure: Example: Find the rref( of mat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33871
Solution 15769: Calculating Combinations and Permutations on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...ons and permutations on the TI-30X IIS/B and TI-34 II Explorer Plus:For example: What are the combinations of 5 choosing 2?1) Press [5] [PRB] [Right Arrow] [ENTER] [2] [ENTER].The screen will show 10.For example: What are the permutations of 5 choosing 2?1) Press [5] [PRB] [ENTER] [2] [ENTER].The...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15769
Solution 14850: Calculating Secant, Cosecant and Cotangent Trigonometric Functions on the TI-36X Solar.
... Knowledge Base Search How do I calculate secant, cosecant and cotangent trigonometric functions on the TI-36X Solar? While the current line of Texas Instruments scientific calculators have the ability to perform many wonderful tasks, built in secant, cosecant, or cotangent tr...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/14850
Solution 12290: Performing One-Variable Statistics on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™ Calculators.
...now in STAT mode. 2) Press [DATA] and begin to enter the data as indicated. To input a data point, type the value and press [ENTER]. Press the down arrow key twice to move on to the next data point. Data points alternate between the x-value and the x-frequency, which can be left at 1. 3) Press [...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12290
Solution 12160: Storing Formulas in the TI-89 Family, the TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ator guidebook contains an alphabetical list of operations section that gives all the commands and the proper syntax. Refer to that section for the correct programming syntax. To solve for the variable a in the equation a=b*c, the following program may be used as an example: Example() :Prgm :Pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12160
Solution 12157: Setting the Default Units for Displayed Results on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... CUSTOM system however, allows users to change default units for each category.To set custom default units:1) Press [MODE][F3], then press the right arrow key display the Units mode. 2) Select 3:CUSTOM and press [ENTER].3) Press the down arrow to highlight SET DEFAULTS.4) Press the right arrow t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12157
Percentage Composition of Methane
Participants analyze the atomic percentage composition of methane using the calculator, lists and graphs. The spatial orientation of the carbon and hydrogen atoms in the methane molecule is also analyzed.https://education.ti.com/en/activity/detail/percentage-composition-of-methane
Molar Gas Lab
Students use stoichiometry to determine the mass of oxygen gas in a bottle. They may also check their answer against the amount of potassium chloride produced during the reaction.https://education.ti.com/en/activity/detail/molar-gas-lab
Variety is the Spice of Life
In this activity, students will collect data on all members of the class. They will make a graph of the data collected, interpret variations, and then draw conclusions.https://education.ti.com/en/activity/detail/variety-is-the-spice-of-life
The River of Life
In this activity, students compare human body mass with blood volume. They graph the data and build a regression model. They estimate their own blood volume and also predict volumes of blood for other animals.https://education.ti.com/en/activity/detail/the-river-of-life_1
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 - Mix it Up: Combining Liquids of Different Temps
Students use the EasyTemp Probe to measure the temperature of hot and cold water before and after mixing. Students compare the mixing temperatures to a linear prediction. EasyData™ is needed for this activity.https://education.ti.com/en/activity/detail/vernier--mix-it-up-combining-liquids-of-different-temps