Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... the 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 10474: Using Memory Functions and Operations on the TI-1795 SV.
... the result to memory.Example:1) Press [4] [M+] [ON/C]4 is stored to memory, and 'M' appears in the top left of the display.2) Press [4] [x] [9] [M+]36 is displayed, and the result of (36 + 4) will be stored to memory.[M-] subtracts the displayed number from memory. This key completes any operati...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10474
Solution 34612: Calculating Inverse Natural Logarithms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...rse 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]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34612
Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...the home screen. 8) Press [stat] then [←] to highlight TESTS and press [↑] until the ANOVA( option is selected9) Press [enter] to select the ANOVA( function and place it on the home screen 10) Press [2nd] [1] [,] [2nd] [2] [,] [2nd] [3] [ ) ] to input L1,L2,L3) and complete the ANOVA function...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Solution 10687: Differences in the TI-30X and TI-30Xa.
... [k] will appear in the screen and then the [=] key will act as a constant. Another minor change is the way in which the permutation and combination functions are input. For nCr or nPr, the user used to enter [n], press x-exchange-y, enter [r], then press nCr or nPr. Now these function work like...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 12312: Random Number Generator Feature on the TI-36X Solar.
... TI-36X Solar? The TI-36X Solar does not feature a random number generator. The following models in our current scientific product line feature this function: • TI-30XS MultiView™ • TI-30X IIS/B • TI-34 MultiView™ • TI-36X Pro™ Please see the TI-36X Solar guidebook for additional information. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12312
Solution 10694: Clearing the Variable E on the TI-36X II.
... TI-36X II? In addition to serving as a memory variable, variable E also stores a seed value to generate a random number when using the probability functions. The seed value changes randomly every time a random number is generated.Since the variable E is classified as a system variable, the va...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10694
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
...8 not give zero when calculating the sin(pi)? The answer displayed when calculating p radians is an approximation of zero. When solving trigonometric functions, very sophisticated algorithms are used to calculate the most accurate answer possible. With this in mind, plus the fact that it uses a ...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.
...tor add or subtract? In general, a printing calculator will not add or subtract if the [Calc/Tax] key is set to [Tax]. 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 furt...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/11648
Solution 34798: Graphing a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
Solution 34798: Graphing a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. Solution 34798: Graphing a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. global Solution 34798: Graphing a Function on the TI-83 Plus and TI-84 Plus Family of...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34798
Solution 26450: Changing the +/- sign of an answer on the TI-30X IIS and TI-30X IIB.
...change an answer from a positive number to a negative number. This key is not present on the TI-30X IIS or the TI-30X IIB units. So to perform this function on the TI-30X IIS or TI-30X IIB: • Enter your problem. ex. 88+44 and press [ENTER] You will get 132. • Now press the negate key [(-)]. T...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/26450
Solution 12276: Calculating Factorials on the TI-30X IIS, TI-30X IIB, or the TI-34 II Explorer Plus.
...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 see the Scientific Model family guidebook...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.
...rm 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 matrix B. ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33871
Solution 33891: Calculating the Determinant of a Matrix Using a TI-36X Pro.
...ress [4] [enter] [(-)] [1] [enter] [(-)] [3] enter] [2] [enter].6) Exit the matrix editor by selecting [2nd] [quit].To find the Determinant using the function:7) Press [2nd] [matrix].8) Scroll to MATH.9) Press 1: Determinant.10) Press [2nd] [matrix].11) Under NAMES, press 1: [A] 2x2.12) Press [en...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33891
Solution 18669: Adjusting the Contrast on a Texas Instruments' Basic, Elementary, Scientific and Financial Calculator.
... How do I adjust the contrast on a Texas Instruments' Basic, Elementary, Scientific or Financial calculator? Texas Instruments does not have a function that will allow a user to adjust the contrast on a Basic, Elementary, Scientific or Financial calculator. There are 3 scientific calculat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18669
Solution 12160: Storing Formulas in the TI-89 Family, the TI-92 Family, and Voyage™ 200 Graphing Calculators.
...b and c. The calculator will then compute and display the value of a. Users may also consider using the NoteFolio Creator Software and App for added functionality. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 12160: Storing Formulas in...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.
...^2: 1) Press [♦] [Y=] 2) Input x^2 and press [ENTER] 3) Press [♦] [GRAPH] to display the graph 4) For TI-89 and TI-89 Titanium, press [2nd] and [F6] for TI-92 Family and Voyage 200, press [F6] 5) Select #3 for DrawInv 6) Press [ENTER] 7) DrawInv is pasted on the Home Screen 8) Enter y1(x)...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12140
Solution 12169: Typing Lower Case and Upper Case Letters on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...and then the letter key Type a space [ALPHA] [_] (alpha function of the [(-)] key) spacebar Turn on lowercase...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12169
Vernier - Conductimetric Titration and Gravimetric Determination of a Precipitate
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the reactant solution.https://education.ti.com/en/activity/detail/vernier--conductimetric-titration-and-gravimetric-determination-of-a-precipitate
Add Them Up
Students explore the total voltage provided by several batteries in a series to a battery-operated device. They graph scatter plots, understand multiplication as repeated addition, and use a pattern to develop a formula. They learn how to develop a formula from a pattern of increasing voltage and...https://education.ti.com/en/activity/detail/add-them-up
Hooke's Law: The Rest of the Story
Students study Hooke's Law. They explore the linear behavior of a spring as it is pulled downward and understand that stretch on a spring is directly proportional to the force applied to the end of the string. Students create scatter plots, calculate slopes, and discuss positive and negative slopes.https://education.ti.com/en/activity/detail/hookes-law-the-rest-of-the-story
Two Hot, Two Cold
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any given Celsius temperature.https://education.ti.com/en/activity/detail/two-hot-two-cold
Swing Thing
In this activity, students will construct a pendulum and create a motion plot for a swinging pendulum. They will also identify characteristics that affect a pendulum's motion.https://education.ti.com/en/activity/detail/swing-thing
Graphical Displays of Univariate Data
Students will sort data and construct stemplots, dotplots, histrograms, and frequency plots.https://education.ti.com/en/activity/detail/graphical-displays-of-univariate-data
Summarizing Distributions of Univariate Data
Students understand statistical concepts like center of data and the amount of data variation from the center. They calculate the measures of the center of a distribution and the measures of spread for the data collected as a list. Students also create boxplots for the data. They examine the effe...https://education.ti.com/en/activity/detail/summarizing-distributions-of-univariate-data