Texas Instruments TI-30X B - Manual

Copyright © 2006 Texas Instruments Incorporated 5 2nd functions % Most keys can perform two functions. The primary function is indicated on the key and the secondary function is displayed above it. Press % to activate the secondary function of a given key. Notice that 2nd appears as an indicator on ...

Copyright © 2006 Texas Instruments Incorporated 6 Note: In some restricted environments (for example function table, data editor, and the %h menu), the TI-30XS MultiView™ calculator may display E instead of à 10 n . ENG displays results as a number from 1 to 999 times 10 to an integer power. The int...

Copyright © 2006 Texas Instruments Incorporated 7 Menus Certain keys display menus: H , % I , v , %t , % , %h , and %{ . Some keys may display more than one menu.Press " and $ to scroll and select a menu item, or press the corresponding number next to the menu item. To return to the previous scr...

Copyright © 2006 Texas Instruments Incorporated 9 %t % %h %{ Scrolling ! " # $ Press ! or " to place the cursor horizontally over the expression entered. Press % ! or % " to move the cursor directly to the beginning or end of the expression.After an expression is evaluated, use # and $ t...

Copyright © 2006 Texas Instruments Incorporated 10 Examples Answer toggle n Press the n key to toggle the display result between fraction and decimal answers, exact square root and decimal, and exact pi and decimal. Example Scroll 1 T 1 < 2 T 2 < 3 T 3 < 4 T 4 < # # # # < T 2 < Ans...

Copyright © 2006 Texas Instruments Incorporated 11 Last answer % i The most recently calculated result is stored to the variable Ans. Ans is retained in memory, even after the TI-30XS MultiView™ calculator is turned off. To recall the value of Ans:• Press % i (Ans displays on the screen), or • Press...

Copyright © 2006 Texas Instruments Incorporated 12 Examples 5th Exponentiation (^) and roots ( x Ñ ). Note: In Classic mode, exponentiation is evaluated from left to right. The expression 2^3^2 is evaluated as (2^3)^2, with a result of 64. In MathPrint™ mode, exponentiation is evaluated from right t...

Copyright © 2006 Texas Instruments Incorporated 13 Clearing and correcting Fractions q %N % j % O In the MathPrint™ mode, fractions with q can include operation keys ( T , V , etc.) and most function keys ( F , %_ , etc.). In Classic mode, fractions with q do not allow operation keys, functions, or ...

Copyright © 2006 Texas Instruments Incorporated 14 The TI-30XS MultiView™ calculator defaults output to improper fractions. Results are automatically simplified.• q enters a simple fraction. Pressing q before or after a number can result in different behavior. Entering a number before pressing q mak...

Copyright © 2006 Texas Instruments Incorporated 15 Percentages % _ % R To perform a calculation involving a percentage, press % _ after entering the value of the percentage. To express a value as a percentage, press %R after the value. Example ³ Problem A mining company extracts 5000 tons of ore wit...

Copyright © 2006 Texas Instruments Incorporated 16 The two extractions represent a total of 317.9 tons of metal for a total value of 89012 dollars. x10 n key C C is a shortcut key to enter a number in scientific notation format. Example Powers, roots and inverses T 2 8 3 % _ V 7300 < V 280 < 2...

Copyright © 2006 Texas Instruments Incorporated 17 Examples Pi gÀ = 3.141592653590 for calculations. À = 3.141592654 for display. %c Calculates the nth root of any positive value and any odd integer root of a negative value. a Gives the inverse of a value: 1/x. The TI-30XS MultiView™ calculator eval...

Copyright © 2006 Texas Instruments Incorporated 18 Example ³ Problem What is the area of a circle if the radius is 12 cm?Reminder: A = À r 2 . The area of the circle is 144 À square cm. The area of the circle is approximately 452.4 square cm when rounded to one decimal place. Angle menu %I %I displa...

Copyright © 2006 Texas Instruments Incorporated 20 The result is 39 degrees, 26 minutes and 23 seconds. ³ Problem It is known that 30 ¡ = p / 6 radians. In the default mode, degrees, find the sine of 30 ¡ . Then set the calculator to radian mode and calculate the sine of p / 6 radians. Note: Press -...

Copyright © 2006 Texas Instruments Incorporated 21 Example Convert polar coordinates (r, q )=(5, 30) into rectangular coordinates. Then convert rectangular coordinates (x, y) = (3, 4) into polar coordinates. Round the results to one decimal place. Converting (r, q ) = (5, 30) gives (x, y) = (4.3, 2....

Copyright © 2006 Texas Instruments Incorporated 22 Example Radian Mode ³ Problem Find angle A of the right triangle below. Then calculate angle B and the length of the hypotenuse c. Lengths are in meters. Round results to one decimal place.Reminder: Tan p"<- @ gq 4 "E < Tan -1 %\ 1 E&l...

Copyright © 2006 Texas Instruments Incorporated 23 To one decimal place, the measure of angle A is 66.8 Ä , the measure of angle B is 23.2 Ä , and the length of the hypotenuse is 7.6 meters. Hyperbolics % Y % Y displays the HYP indicator and accesses the hyperbolic function of the next trigonometry ...

Copyright © 2006 Texas Instruments Incorporated 24 Logarithm and exponential functions A B % ] % ^ A yields the common logarithm of a number. B yields the logarithm of a number to the base e (e 2.819291929). % ] raises 10 to the power you specify. % ^ raises e to the power you specify. Examples Cons...

Copyright © 2006 Texas Instruments Incorporated 26 ³ Problem Given the linear function y = 5x – 2, calculate y for the following values of x: -5; -1. Memory and stored variables z L % h %{ The TI-30XS MultiView™ calculator has 7 memory variables—x, y, z, t, a, b, and c. You can store a real number o...

Copyright © 2006 Texas Instruments Incorporated 29 For the first excavation: The company needs to extract 29.4 million cubic meters to reach a depth of 150 meters, and to extract 41.16 million cubic meters to reach a depth of 210 meters. For the second excavation: The company needs to extract 31.11 ...

Copyright © 2006 Texas Instruments Incorporated 31 If Sydney, Australia is 21 Ä C, find the temperature in degrees Fahrenheit. Statistics % t v % t displays a menu with the following options: • 1-Var Stats analyzes statistical data from 1 data set with 1 measured variable, x. • 2-Var Stats analyzes ...

Copyright © 2006 Texas Instruments Incorporated 32 To define statistical data points:1. Enter data in L1, L2, or L3. (See Data editor.)2. Press % t . Select 1-Var or 2-Var and press < . 3. Select L1, L2, or L3, and the frequency. 4. Press < to display the menu of variables. 5. To clear data, p...

Copyright © 2006 Texas Instruments Incorporated 34 1. Find Anthony’s average grade (weighted average).2. What does the value of n given by the calculator represent? What does the value of Ò x given by the calculator represent?Reminder: The weighed average is 3. The teacher gave Anthony 4 more points...

Copyright © 2006 Texas Instruments Incorporated 36 This line of best fit, y'=0.67732519x'-18.66637321 models the linear trend of the data. The linear model gives an estimated braking distance of 18.59 meters for a vehicle traveling at 55 kph. Probability H This key displays two menus: PRB and RAND. ...

Copyright © 2006 Texas Instruments Incorporated 37 RAND contains the following options: Examples ! A factorial is the product of the positive integers from 1 to n. n must be a positive whole number { 69. rand Generates a random real number between 0 and 1. To control a sequence of random numbers, st...

Copyright © 2006 Texas Instruments Incorporated 38 ³ Problem An ice cream store advertises that it makes 25 flavors of home made ice cream. You like to order three different flavors in a dish. How many combinations of ice cream can you test over a very hot summer? You can choose from 2300 dishes wit...

Copyright © 2006 Texas Instruments Incorporated 40 ³ Problem A charity collected $3,600 to help support a local food kitchen. $450 will be given to the food kitchen every month until the funds run out. How many months will the charity support the kitchen?Reminder: If x = months and y = money left, t...

Copyright © 2006 Texas Instruments Incorporated 41 DOMAIN — You specified an argument to a function outside the valid range. For example:• For x Ñ y: x = 0 or y < 0 and x is not an odd integer. • For y x : y and x = 0; y < 0 and x is not an integer. • For Ñ x: x < 0. • For LOG or LN: x { 0....

Copyright © 2006 Texas Instruments Incorporated 42 LOW BATTERY — Replace the battery. Note: This message displays briefly and then disappears. Pressing - does not clear this message. Battery information Battery precautions • Do not leave batteries within the reach of children.• Do not mix new and us...

Copyright © 2006 Texas Instruments Incorporated 43 • To replace the battery, check the polarity (+ and -) and slide in a new battery. Press firmly to snap the new battery into place. Important: When replacing the battery, avoid any contact with the other components of the TI-30XS MultiView™ calculat...

Copyright © 2006 Texas Instruments Incorporated 44 Texas Instruments Support and Service For general information For technical support For product (hardware) service Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas Instruments Customer Support before return...