Solution 12256: Converting from Rectangular to Polar Coordinates Using the TI-30X IIS/B and TI-30XS MultiView™.
...NTER] to paste R►Pr( on the screen. • Input the x-value of the rectangular coordinate, which is 4. • Press [2nd] [)] (closed parenthesis) to insert a comma. • Input the y-value of the rectangular coordinate, which is 3. • Press [)] [ENTER] to display the results. The screen will show 5 which is ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12256
Solution 10483: Discontinued Texas Instruments Scientific Calculators.
...a SE • TI-30Xa Solar • TI-31 • TI-34 • TI-34 II • TI-35 Plus • TI-35X • TI-36 Solar • TI-36X Solar • TI-36X II • TI-68 • TI-60X • TI-74 • TI-95 Users of these models may want to consider upgrading to a current scientific calculator. Please Note: Some replacement parts for discontinue...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/10483
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...e polarity (+ and -) diagrams: TI-89, TI-89 Titanium: upside down, then right side up, then upside-down, then right side up TI-92 Family: All 4 right side up Voyage 200: Top row both left side up, bottom row both right side up. Press and release the [Diamond] key followed by press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 12273: Converting Fractions to Decimals Using the TI-34.
...ions. Example: Convert 55/24 to a decimal number. 1) Input 55 [a b/c] 24, and press [=]. 2) Press the [a b/c] key to display the decimal number, 2.291666667. 3) Pressing the [a b/c] key again will display the mixed number fraction, 2 and 7/24. (Pressing [2nd] [a b/c] will display the original s...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12273
Solution 12280: Calculating Standard Deviation on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™.
... of variables with their current values. Answers should be as follows: Sx (Sample Standard Deviation) = 1 sx (Population Standard Deviation) = 0.816497 4) Press [2nd] and [EXIT STAT], select Y and press [ENTER] to exit STAT mode. For TI-30XS MultiView users: Example: Enter the following x varia...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12280
Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...( ] [1] [,] [1] [2nd] [ ) ] 7) Press [zoom] then [6] to select 6:ZStandard. 8) To view the table press [2nd] [window] to setup the table options. 9) Press [1] [enter] to set the table to start at 1. 10) Press [2nd] [graph] to see the table of n and u(n). Please see the TI-83 Plus and TI-84...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672
Solution 31591: Calculating Numerical Integrals using the TI-36X Pro Scientific Calculator
...ate. 2) The first two boxes (top and bottom) are the upper and lower limits; in the bottom box, enter [1]. 3) Scroll up and enter [3] in the top box. 4) Scroll to the right and enter [x] [x^] [3] [->] [+] [2] [x]. 5) Press [enter]. The displayed answer will show 28. Please see the TI-36X Pro gu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/31591
Solution 12320: Changing the Decimal Setting on the TI-30X IIB / TI-30X IIS and TI-34 II Explorer Plus™.
...etting on the TI-30X IIB / TI-30X IIS and TI-34 II Explorer Plus: 1) Press [2nd] [Fix].2) Scroll to the number of decimal places to be displayed (0 - 9) and press the [=] key.3) To specify a floating-decimal format, scroll to "F" and press the [=] key. Please Note: "Fix" will be displayed on the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12320
Solution 34834: Typing Text Labels on Graph Screens on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... can be used to create labels for graphs. The text() function writes text on graphs beginning at pixel (row, column), where 0£ row £57 and 0£ column £94. The function is located in the DRAW menu which can be accessed by pressing [2ND] [PRGM]. The syntax for the text() function is: text(row, colu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34834
Solution 12246: Calculating One-Variable Statistics Using the TI-25X Solar.
...put 4 [Σ+] • Input 11 [Σ+] Calculate the variables: • Mean - Press [2nd] [x-bar] (5.6666667) • Population standard deviation - Press [2nd] [Σn] (3.0912062) Please see the TI-25X Solar guidebook for additional information. Solution 12246: Calculating One-Variable Statistics Using the TI-25X S...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12246
Solution 19109: Converting Fractions to Decimals on the TI-36X II.
... to decimal format and vice versa.Examples:Convert: 1/2 to .5. 1) Input 1.2) Press the [A b/c] key.3) Input 2 and press [2nd] [FD] [ENTER].Convert: 1_4/5 to 9/5 then to 1.81) Input 1.2) Press the [A b/c] key.3) Input 4 and press [A b/c].4) Input 5 and press [2nd] [Ab/cd/e] [ENTER].5) Press [2nd]...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/19109
Solution 34814: Correcting a Data Type Error when Attaching a Distribution Formula to a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...1 list. Why am I getting a Data Type error message when I attach the following formula to L2? Input data (numbers) into the L1 list. L2=normalcdf( -1E99, 200, L1*.9, L1*.9*.1) Some of the distribution functions, such as Normalpdf and Normalcdf, are not designed to accept lists as valid parameters...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34814
Solution 12259: Finding the Hypotenuse and Angles of a Right Triangle on the TI-30X IIS/B Scientific Calculators.
...r, this type of problem can be solved using the Pythagorean Theorem. Example 1: Find the hypotenuse knowing that the two others sides measure 3 and 4 centimeters respectively. Solution: The Pythagorean Theorem says that, in a right triangle, A2=B2+C2, where A is the hypotenuse, B and C the oth...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12259
Solution 33391: Using Hyperbolic Functions on the TI-36X Pro.
Solution 33391: Using Hyperbolic Functions on the TI-36X Pro. Solution 33391: Using Hyperbolic Functions on the TI-36X Pro. global Solution 33391: Using Hyperbolic Functions on the TI-36X Pro. website Ho...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33391
Solution 34778: Creating a Box Plot on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... is only available on the TI-84 Plus CE and TI-84 Plus C Silver Edition. 7) Press [GRAPH] to see the Box Plot. Please Note: Press [ZOOM], select 9:ZoomStat, and press [ENTER] to adjust the window settings. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional informat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34778
Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. global Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34777
Solution 33431: Calculating a Linear Regression on the TI-36X Pro.
...the [2nd] [stat-reg/distr] and select 4:LinReg ax+b 6) Press [enter] 7) Ensure L1 is highlighted under xDATA 8) Ensure L2 is highlighted under yDATA 9) Select ONE for FRQ 10) Select NO for RegEQ®f(x) 11) Highlight CALC and press [enter] Use the down arrow until a (linear regression slope), b (...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33431
Solution 12269: Converting Fractions into Decimals on the TI-30Xa Family or TI-36X II.
...ress [2nd] [F◄►D].F◄►D means fraction to decimal, decimal to fraction.B) 1_2/7 to 1.2857• Press [1] [A b/c] [2] [A b/c] [7].• Press [2nd] [F◄►D].C) 9/4 to 2.25• Press [9] [a b/c] [4].• Press [2nd] [F◄►D].Please see the Scientific Model family guidebooks for additional information. Solution 12269...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12269
Solution 33891: Calculating the Determinant of a Matrix Using a TI-36X Pro.
...To enter the matrix, please follow the steps below:1) Press [2nd] [matrix].2) Scroll to EDIT and press [enter].3) Select 2 for ROWS and 2 for COLUMNS.4) Scroll to OK and press [enter].5) Press [4] [enter] [(-)] [1] [enter] [(-)] [3] enter] [2] [enter].6) Exit the matrix editor by selecting [2nd] ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33891
Solution 14850: Calculating Secant, Cosecant and Cotangent Trigonometric Functions on the TI-36X Solar.
...de before beginning. Press the [DRG] key, move the cursor under 'DEG', and press [=].** Enter 31.67, press [SIN] [1/x] to solve. This will return 1.904667232... as the cosecant of 31.67 degrees. Please see the TI-36X Solar guidebook for additional information. Solution 14850: Calculating Se...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/14850
Solution 18669: Adjusting the Contrast on a Texas Instruments' Basic, Elementary, Scientific and Financial Calculator.
...sic, Elementary, Scientific or Financial calculator. There are 3 scientific calculators that are exceptions to this, the TI-30XS Multiview™, the TI-34 Multiview, and the TI-36 X Pro. To change the contrast on these calculators, use the contrast keys. Alternate between [2nd] and [-] to lighten t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18669
Solution 12305: Calculating nth Roots Using the TI-36X Solar and TI-30Xa Family Scientific Calculators.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I perform nth root computations using the TI-36X Solar or TI-30Xa family scientific calculators? The example below will demonstrate how to perform nth root computatio...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12305
Solution 12153: Performing Polar and Rectangular Conversions using the TI-89 Family, and Voyage™ 200 Graphing Calculators.
...nvert 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 down to >polar and press [Enter] 5) On the screen, [7,9]>polar...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12153
Predicting White Blood Counts
Students find equations, which best-fit the data, using different regression models built into their calculators. The best method of handling this data, is to break the data into sections and fit different periods of time with different equations. Using their models, they predict when the patie...https://education.ti.com/en/activity/detail/predicting-white-blood-counts
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