Solution 12005: Unexpected Complex Answer Results (i Imaginary) on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
...d when calculating i^7 is the complex number -3E-13-i. The real part, -3E-13, is an approximation of zero. Thus, -3E-13-i is the same as 0-i which is equal to -i. With certain computations, these calculators use very sophisticated algorithms to calculate the most accurate answer possible. The sam...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
Solution 11782: Performing Polar Complex Number Calculations in Degree Mode on Graphing Calculators.
...rig and inverse trig functions. This scaling does not apply to the related exponential, logarithmic, hyperbolic, or inverse-hyperbolic functions. Consequently, radian-mode identities between these functions are not generally true for degree mode when the inputs or results are non-real. For exampl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11782
Solution 27430: Troubleshooting Connectivity Issues Between TI Graphing Calculators and Computers.
...-92 TI-92 Plus Voyage 200 TI-Connect 1) Verify your computer's operating system meets the System Requirements of the Texas Instruments software you use to connect your calculator to the computer. 2) Verify you are logged into an Administrator ac...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/27430
Solution 37362: TI-84 Plus CE SmartPad App is not Establishing Connection to Control TI-SmartView CE.
...artPad App by pressing [Apps] followed by [Alpha] then [ln] and select the App using the arrow keys and press [Enter]. 4) After the App launches and requests you to [Press any Key...] press a single key, for example [Enter], then wait for 2 seconds for connection to be established. 5) After 2 sec...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37362
Solution 32231: Computing the Dot Product using the TI-Nspire™ CAS Family Products.
... ]. 6) Press [1] [,] [2] [,] [3]. 7) Press the right arrow once. 8) Press [,] [ctrl] [ [] ]. 9) Press [enter]. Please Note: Both vectors must have equal dimension, and the dimension must be either 2 or 3. Please see the TI-Nspire CAS family products guidebooks for additional information. So...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32231
Solution 30211: Computing Net Present Value (NPV), Modified Internal rate (MIRR), and Internal Rate of Return (IRR) Using a TI-Nspire™ Family Products.
... How do I compute NPV, MIRR, and IRR using a TI-NSPIRE family handheld or software? Commands Syntax. mirr(financeRate,reinvestRate,CF0,CFList[,CFFreq]) npv(InterestRate,CFO,CFList[,CFFreq]) irr(CF0,CFList [,CFFreq]) CF0 is the initial cash flow at time 0; it must be a real number. CFList is ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30211
Solution 11727: Computing the Dot Product on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... [8] []]. • Press [)] [ENTER]. Note: Both vectors used with this command must be row vectors, or both must be column vectors. Both vectors must have equal dimension, and the dimension must be either 2 or 3. Please see the TI-89 family, TI-92 family, and Voyage 200 guidebooks for additional infor...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11727
Solution 11725: Computing the Cross Product on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...[ENTER] for the result. Please Note: Both vectors used with this command must be row vectors, or both must be column vectors. Both vectors must have equal dimension, and the dimension must be either 2 or 3. Please see the TI-89 Titanium / Voyage 200 guidebook for additional information. Solutio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11725
Solution 12105: Compatibility of Data Collection Tools with the TI-89 Family, TI-92 Plus and Voyage™ 200.
... CBR 2™, and the Calculator-Based Laboratory™ (CBL™) and CBL 2™ are compatible with the TI-89 family, TI-92 Plus and the Voyage 200. The application required to use these tools is the Datamate application. It is available for free download from Vernier. Please see the Data Collection guidebooks a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12105
Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
...gument is a list and the other a non-list, the non-list is paired with each element of the list, and a list is returned. Note: This is function is frequently used with fractions to reduce them to lowest terms on the TI-73 family. The syntax is as follows: gcd(valueA,valueB) Examples: •...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 24995: Answers that Include an @1 or a Component Formatted as @k on the TI-89 Family, TI-92 Family, or Voyage™ 200
...ond appearance of the constant representation, in the same or another problem, is listed as @2 and the next iterations will show as @3,@4....@k. The equation below is a slight variation on the command above: solve(x^2+y^2=r^2 and (2x-r)^2+y^2=r^2,{x,y,z}) and the answer is x=r/3 and y=(2*square ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24995
Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...determine a cubic polynomial that best fits this data in the least squares sense by attempting to solve a linear system that is defined by the normal equations. It turns out that the normal equations for this data set lead to a poorly conditioned linear system (nearly singular) due to the fact th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 10376: Compatibility of the DataMate Program and the TI-82 Graphing Calculator.
...s of the DataMate program for the CBL 2. It is recommended that programs such as ChemBio, Physics, etc., are used instead since the DataMate program requires more memory than the TI-82 can use to run the program optimally.Please see the TI-82 guidebook for additional information. Solution 10376:...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10376
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...ftware applications (Apps). Like the TI-85, the TI-89 Titanium is ideal for advanced mathematics classes like calculus, engineering, and differential equations. The TI-89 Titanium is electronically upgradeable, includes symbolic manipulations, 3D graphing, statistics, and more! The TI-Nspire CX C...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...a completely randomized design is used. A robotic golfer, using a driver, is set up to hit a random sample of 24 balls (8 of each brand) in a random sequence follow the steps below: 1) Press [stat] [5] [enter] to restore default lists 2) Press [stat] [4] [2nd] [1] [,] [2nd] [2] [,] [2nd] [3] [en...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Solution 20529: Incorrect Answer Received When Computing Exponents in MathPrint Mode Using the TI-30XS/B or TI-34 MultiView™ Scientific Calculator.
...hPrint mode with exponents using the TI-30XS/B or TI-34 MultiView calculator? The TI-30XS/B and TI-34 MultiView calculator in MathPrint mode uses the Equation Operating System (EOS). EOS defines the order in which functions in expressions are entered and evaluated on the calculator. EOS lets the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/20529
Solution 34772: Computing Net Present Value (NPV) and Internal Rate of Return (IRR) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...hing calculators? The following examples will demonstrate how to compute NPV and IRR. Example: Initial cash flow is -9 Interest rate is 7% CF1 = 5 Frequency = 2 CF2 = -4 Frequency = 3 CF3 = 6 Frequency = 5 What is the NPV and IRR? Solution: First, input the cash flow and frequency values into li...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34772
Science TODAY™ - How the Olympic Swimsuit Gives Athletes an Edge
Students will look at the potential impact of an improvement in the equipment used by world-class swimmers. They will also look at the improvement in the world records for men and women in the 100 Meter Freestyle race.https://education.ti.com/en/activity/detail/science-today--how-the-olympic-swimsuit-gives-athletes-an-edge
I Am Your Density
Students will model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/i-am-your-density
Curve Ball
In this activity, students' will create a Height-Time plot for a bouncing ball and use a quadratic equation to describe the ball's motion.https://education.ti.com/en/activity/detail/curve-ball
Perimeter Patterns
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They then use the patterns and the calculator to predict the perimeter of a specific shape in the sequence.https://education.ti.com/en/activity/detail/perimeter-patterns
Forensics Case 13 - Life in the Fast Lane: Using skid marks to determine vehicle speed
Students determine the coefficient of friction between a vehicle and a road surface. They use the length of the skidding distance to determine the speed of a vehicle before its brakes were applied. Students convert between SI units and Imperial units and rearrange equations to solve for different...https://education.ti.com/en/activity/detail/forensics-case-13brlife-in-the-fast-lane-using-skid-marks-to-determine-vehicle-speed
Forensics Case 4 - Flipping Coins: Density as a characteristic property
In this activity, students identify counterfeit coins based on the characteristic property of density. They model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/forensics-case-4brflipping-coins-density-as-a-characteristic-property
Recycled Sounds
Students create a musical instrument from empty 1-liter bottles and use fractional equivalents to tune the bottles.https://education.ti.com/en/activity/detail/recycled-sounds
Names for 100
Students will use the calculator to carry out operations of addition, subtraction, division, and multiplication on integers, fractions, and decimals to find mathematical expressions that equal 100.https://education.ti.com/en/activity/detail/names-for-100