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.
...r. • Press [5] [ENTER] [(-)] [4] [ENTER] [6]. • Press [►]. • Press [2] [ENTER] [3] [ENTER] [5] [ENTER]. Calculate NPV: • Press [2ND][QUIT]. • Press [APPS] [ENTER] [7]. • Press [7] [,] [(-)] [9] [,] [2ND] [L1] [2ND] [L2]. • Press [ENTER]. Calculate IRR: • Press [APPS] [ENTER] [8]. • Press [(-)] ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34772
Solution 18669: Adjusting the Contrast on a Texas Instruments' Basic, Elementary, Scientific and Financial Calculator.
...ries in the calculator may need to be replaced. Batteries for a Scientific Calculator Batteries for a Business Financial Calculator Please see the appropriate calculator guidebook for additional information. Solution 18669: Adjusting the Contrast on a Texas Instruments' Basic, Elementary, Sci...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18669
Solution 12290: Performing One-Variable Statistics on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™ Calculators.
...strate how to perform one-variable statistics on the TI-30X IIS/B and TI-34 II Explorer Plus calculators. Data to use for this example: x = {71, 64, 55, 7, 98} To Solve: 1) Press [2ND] [DATA] to access the STAT menu. With the cursor (underline) below 1-VAR, press [ENTER]. The calculator is no...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12290
Solution 12306: Calculating One-Variable Statistics Using the TI-36X Solar.
... statistics using the TI-36X Solar. Example: Find the sum, mean, population standard deviation, and sample standard deviation for the data set: 45, 55, 55, 55, 60, 80 Input the values: 1) Press [3rd] and [STAT 1]. 2) Press [2nd] and [CSR]. 3) Press 45, [S+] 4) Press 55, [2nd], [FRQ], 3, [S+]. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12306
Solution 12162: Symbolic Derivative Example Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...on,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 derivative...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12162
Solution 12161: String Commands on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e following are the different string commands and their meaning: # - Converts a string into a variable name. This is called indirection. & - Appends or concatenate two strings into one string. char - Returns the character that corresponds to a specified character code. It is the oppo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12161
Solution 12160: Storing Formulas in the TI-89 Family, the TI-92 Family, and Voyage™ 200 Graphing Calculators.
...the numeric solver or writing a program. Using the Numeric Solver: To store the equation a= b*c, for example. Follow the procedure below: 1) Press [APPS] 2) Select 9: Numeric Solver and press [ENTER]. The screen will display "Enter Equation Eqn:" Please Note: If the Apps Desktop is turned On, N...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12160
Solution 12140: Graphing an Inverse Function on a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...erse drawing , press F6 and choose [ClrDraw]. For TI-89 and TI-89 Titanium, press [2nd] and [F6] and choose [ClrDraw]. Notice that the inverse has disappeared, but not the parabola. Please see the TI-89 family, TI-92 family, and Voyage 200 guidebooks for additional information. Solution 12140: G...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12140
Solution 12159: Solving Systems of Equations Using Symbolic Manipulation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...he Home screen: • Press [F2]. • Select 1:Solve( • Input the equation as follows: solve(2x-3y=4,x) and press [ENTER]. The results x=(3y+4)/2 will appear on the Home screen. • Press [F2]. • Select 1:Solve( • Input the equation as follows: solve(-x+7y=-12,y) • Press [|] (the "with" operato...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12159
Solution 12158: Solving System of Equations Using TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...the system and the solution as follows: The answer is therefore, x=1, y=2, and z=3.Solution using the SOLVE( function:1) Press [F2] to access the Algebra worksheet2) Press [ENTER] on 1:solve3) Enter the function as listed below:solve(3x+3y-4z=-3 and -x+2y+5z=18 and 8x+4y-7z=-5,{x,y,z}) and press ...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.
...t. But [Ý] or uppercase ALPHA-lock must be used for X, Y, Z, or T. Please Note: On the TI-89 family, alpha-lock is always turned off when you change applications, such as going from the Text Editor to the Home screen. On the TI-89 family, while either type of alpha-lock is on: • To type a period...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12169
Solution 12153: Performing Polar and Rectangular Conversions using the TI-89 Family, and Voyage™ 200 Graphing Calculators.
...he TI-89 family, TI-92 Family, and Voyage 200. For example: Convert the rectangular coordinates 7-9i into polar form1) Press [2nd][,] for the opening bracket 2) Input 7,-93) Press [2nd][÷] for the closing bracket4) Press [Catalog] (if using the TI-92 family or Voyage 200, press [2nd][2]), scroll ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12153
Solution 12152: Definition of Mode Settings on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...N. Split Screen: Splits the screen into two parts and specifies how the parts are arranged: FULL (no split screen), TOP-BOTTOM or LEFT-RIGHT. Split 1 App: Application will be in the top or left side of a split screen. Split 2 App: Application will be in the bottom or right side of a split screen....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12152
Phosphate Analysis
One method of measuring the phosphate concentration is by using a Colorimeter. This instrument measures the amount of light transmitted through a sample at a given wavelength. The amount of light absorbed is mathematically related to the concentration of the solution.https://education.ti.com/en/activity/detail/phosphate-analysis
Law of Definite Proportions
The law of definite proportions states that a chemical compound always contains exactly the same proportion of elements by mass. The French chemist Joseph Proust conducted several experiments between 1798 and 1804 to make this discovery. At the time (before Dalton had proposed his atomic theory)...https://education.ti.com/en/activity/detail/law-of-definite-proportions
Vernier - Microscale Acid-Base Titration
In this activity, students' will use a pH sensor to determine the change in pH during a titration of a known concentration of NaOH and unknown concentration of HCl. Students' will determine the concentration of unknown HCl.https://education.ti.com/en/activity/detail/vernier--microscale-acidbase-titration
Vernier - Nitrate
Student uses the Nitrate Ion-Selective Probe to measure the Nitrate ions concentration in water samples. In another method, student converts nitrate ions to nitrite and use the Vernier Colorimeter to measure nitrite and calculate the nitrate levels.https://education.ti.com/en/activity/detail/vernier--nitrate
Sheep Selection Program
Students perform one-variable statistical analysis on birth weight data of a flock of sheep. Primary emphasis in a sheep selection program should be based on the number of lambs born and weaned per ewe exposed (permitted to mate with a ram during a specific time frame determined by the shepherd, ...https://education.ti.com/en/activity/detail/sheep-selection-program
Graphing Nature
Students compare blade size of leaves from one species and between closely related species. Evolution through natural selection accounts for the diversity of species developed through gradual processes over many generations. Biological adaptations include changes in structures, behaviors or phys...https://education.ti.com/en/activity/detail/graphing-nature
Measuring Air Pressure
This activity is intended for my Introductory Meteorology class; an earth science elective intended for Juniors and Seniors. (It was orginally modifed from an Introductory Meteorology Laboratory Assigment taught to undergraduates at Florida State University. However, modifications could be done t...https://education.ti.com/en/activity/detail/measuring-air-pressure
Shedding Light on the Weather with Relative Humidity
In this activity, students will collect the data for temperature and relative humidity and plot the data. They will look for the patterns displayed by the three plots and relate them to their experiences.https://education.ti.com/en/activity/detail/shedding-light-on-the-weather-with-relative-humidity
Vernier - Freezing Temperature of Ocean Water
This activity makes use of the Temperature Probe to measure the temperature of water as it cools and freezes. Students' determine and compare the freezing temperature of fresh water and ocean water.https://education.ti.com/en/activity/detail/vernier--freezing-temperature-of-ocean-water
Groucho's Sign Shop
Students' use force sensors to investigate forces and learn about force as a vector. Similar concept to the common "spring scale" force vector lab, but with a real-world twist.https://education.ti.com/en/activity/detail/grouchos-sign-shop
Motion Graphs
Students will be able to explore distance/time graphs and velocity/time graphs. The graphs will be presented to the entire class through TI-Navigator™. Students will then take CBL 2™'s and calculators and create their own graphs (which are assigned to them). Students will then come back and pr...https://education.ti.com/en/activity/detail/motion-graphs
Discovering Ohm's Law
In this activity students use Vernier Voltage and Current Probes to investigate Ohm's Law. The students collect data and use their graphing calculators to perform data analysis and "discover" Ohm's Law.https://education.ti.com/en/activity/detail/discovering-ohms-law