Manuale d’uso / di manutenzione del prodotto 30XB del fabbricante Texas Instruments
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Copyright © 2006 T exas Instruments Incorporated 1 TI-30XS MultiView™ and TI-30XB MultiView™ Scientific Calculator Important in formation . .......... ............. ........... ............. .......... .. 2 Examples ... ........... ............. .
Copyright © 2006 T exas Instruments Incorporated 2 Constant .... ........... ............. .......... ............. ........... ............. .. 24 Memory and store d variables .............. ............. .......... ........ 26 Data editor and list fo rmulas .
Copyright © 2006 T exas Instruments Incorporated 3 Examples Each se ction is fol lowed by i nstruct ions for k eystroke examples that demonstrate the TI-30XS MultiView™ and TI-30XB MultiView functi ons. All references in this manual will refer to the TI -30XS MultiView, but are also applicable for the TI-30XB MultiView.
Copyright © 2006 T exas Instruments Incorporated 4 Home screen On the Home screen, you can enter mathe matical expressions and funct ions, along with other instructions. The answers are displayed o n the Home screen. The TI-3 0XS MultiView screen can dis play a maximum of four lines with a maximum of 16 characte rs per line.
Copyright © 2006 T exas Instruments Incorporated 5 2nd functions % Most keys can perform two functi ons. The primary function is indicated on the key and the se c ondary function is displayed above it. Press % to activate the secondary functi on of a given key .
Copyright © 2006 T exas Instruments Incorporated 6 Note : In some restrict ed env ironments (for example function table, d ata editor, and the %h menu), t he TI-30XS MultiView™ calculator may dis play E instead of à 10 n . ENG displays results as a number f r om 1 to 999 times 10 to an integer power .
Copyright © 2006 T exas Instruments Incorporated 7 Menus Certain keys display menus: H , % I , v , %t , % , %h , and %{ . Some keys may displa y more than one menu. Press " and $ to scro ll and select a menu item, or press the corresponding number next t o the menu item.
Copyright © 2006 T exas Instruments Incorporated 8 The menu chart s hows the menu keys and the menus they display . H% I vv (Press once to display the Data editor screen.
Copyright © 2006 T exas Instruments Incorporated 9 %t % %h %{ Scrolling ! " # $ Press ! or " to place the cursor horizo ntally over the expression ente red. Press % ! or % " to move the cursor directly to the beginn ing or end of the expression.
Copyright © 2006 T exas Instruments Incorporated 10 Examples Answer toggle n Press the n key to toggle the dis play result between fraction and decimal answers, exact square root and decimal, an d exact pi and d ecimal.
Copyright © 2006 T exas Instruments Incorporated 11 Last answer % i The most recently calculat ed result is stored to the variable Ans . Ans is retain ed in memory , even afte r the TI-30XS MultiView™ calculator is turned off.
Copyright © 2006 T exas Instruments Incorporated 12 Examples 5th Exponentiation ( ^ ) and roots ( x Ñ ). Note : In Classic mode, ex ponentiation 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, exponen tiation is evaluated from right to left.
Copyright © 2006 T exas Instruments Incorporated 13 Clearing and correcting Fractions q% N % j % O In the MathPrint™ mode, fractions wi th q can include operation keys ( T , V , etc.
Copyright © 2006 T exas Instruments Incorporated 14 The TI-30XS MultiView™ calcula tor defaults output to improper fractions. Results ar e automatically simplified. • q enters a simple fraction. Pre ssing q before or aft er a number can result in dif ferent behavior .
Copyright © 2006 T exas Instruments Incorporated 15 Percentages % _% R T o perform a calculat ion involving a percentage, p r ess % _ after entering the value of the percent age.
Copyright © 2006 T exas Instruments Incorporated 16 The two extractions represent a total of 317.9 tons o f metal for a total value of 89012 dollars. x10 n key C C is a shor tcut key to enter a number in scientific notation format.
Copyright © 2006 T exas Instruments Incorporated 17 Examples Pi g À = 3.141592653590 for calculat ions. À = 3.141592654 for display . %c Calculates the n th root of any positive value and any odd integer root of a negative value . a Gives the inverse of a value: 1/ x.
Copyright © 2006 T exas Instruments Incorporated 18 Example ³ Problem What is the area of a circle if the radiu s 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 round ed to one decimal place.
Copyright © 2006 T exas Instruments Incorporated 19 Examples ³ Problem T wo adjacent angles measure 12 ¡ 31 ¢ 45 £ and 26 ¡ 54 ¢ 38 £ respectively . Add the two angles and display the result in DMS format. Round the results to two decimal places.
Copyright © 2006 T exas 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 t he sine of 30 ¡ . Then set the calculator to radian mode and calculate the sine of p / 6 radians.
Copyright © 2006 T exas Instruments Incorporated 21 Example Convert polar coordinates (r , q )=(5, 30) into rectangu lar coordinates. T hen convert rectangular coordinates ( x , y ) = (3, 4) into polar coordinates. Round the result s to one decimal place.
Copyright © 2006 T exas Instruments Incorporated 22 Example Radian Mode ³ Problem Find angle A of the right tria ngle below . Then calculate angle B and the length of the hyp otenuse c .
Copyright © 2006 T exas Instruments Incorporated 23 T o one decimal place, the measure of angle A is 66.8 Ä , t he measure of angle B is 23.2 Ä , and the length of th e hypotenuse is 7.6 meters. Hyperbolics % Y % Y displays the HYP indicator a nd accesses the hyperbolic function o f the next trigono metry key that you press.
Copyright © 2006 T exas Instruments Incorporated 24 Logarithm and exponen tial functions AB % ] % ^ 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 .
Copyright © 2006 T exas Instruments Incorporated 25 4. Each subsequent time you press < , the TI-30XS MultiView™ calculator reca lls the stored operation and applies it to the last a nswer or the current entry . Press % l again to turn Constant fe ature off.
Copyright © 2006 T exas Instruments Incorporated 26 ³ Problem Given the linear func tion y =5 x – 2, calculate y for the following values of x : -5; -1. Memory and stored variables zL % h % { The TI-30XS MultiView™ calculato r has 7 memory variables— x , y , z , t , a , b , and c .
Copyright © 2006 T exas Instruments Incorporated 27 % h recalls the va lues of variables. Press % h to display a menu of variables and their stored values. Select the variable you want to recall and press < . The value assigned to th e variable is inserted into the c urrent entry and used to evaluate the express ion.
Copyright © 2006 T exas Instruments Incorporated 28 ³ Problem In a gravel q uarry , two new excavations ha ve been opened. The first one measures 35 0 meters by 560 meters, th e second one measures 340 met ers by 610 meters.
Copyright © 2006 T exas Instruments Incorporated 29 For the firs t excavation: The company n eeds to extract 29.4 million cubic meters to reach a dep th of 150 meters, and to extract 41.16 million cubic meters to rea ch a depth of 210 meters. For the second excavation: The company needs to extract 31.
Copyright © 2006 T exas Instruments Incorporated 30 Notice L2 is calculated per t he formula you entered, and L2(1)= in the author line is highli ghted to indicate the list is the result of a formula. ³ Problem On a November day , a weather report on the Internet liste d the following temperatures.
Copyright © 2006 T exas 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 statis tical data from 1 data set with 1 measured variable, x .
Copyright © 2006 T exas Instruments Incorporated 32 T o define statistical data p oints: 1. Enter data in L1, L2, or L3. (See Data editor .) 2. Press % t . Select 1-V ar or 2-Var and press < . 3. Select L1, L2, or L3, and the frequency . 4. Press < to display the menu of variables.
Copyright © 2006 T exas Instruments Incorporated 33 2-V ar: Data: (45,30); (55,25). Find: x Å (45) ³ Problem For his last four tests, Ant hon y obtained the following scores. T ests 2 and 4 were given a weight of 0.5, an d tests 1 and 3 were given a weight of 1.
Copyright © 2006 T exas Instruments Incorporated 34 1. Find Anthony’s avera ge grade (weighted average). 2. What does the value of n given by the calculator represent? What does the value of Ò x give n by the calculator represent? Reminder: The weig hed average is 3.
Copyright © 2006 T exas Instruments Incorporated 35 Change Anthony’ s last score from 1 1 to 15. If the teacher adds 4 poin ts to T est 4, Anthony’s avera ge grade is 12.
Copyright © 2006 T exas Instruments Incorporated 36 This line of best fit, y '=0.677 32519 x '-18.66637321 models t he linear trend of the data. The linear model gives an esti mated braking dista nce of 18.59 meters for a vehicle traveling at 55 kph.
Copyright © 2006 T exas Instruments Incorporated 37 RAND contains the following options : Examples ! A factorial is the p roduct of the positive integers from 1 to n . n must be a positive whole number { 69. rand Generates a random re al number between 0 and 1.
Copyright © 2006 T exas Instruments Incorporated 38 ³ Problem An ice cream store advertises that it m akes 25 flavors of home made ice cream. Y ou like to order three dif ferent flavors in a dish.
Copyright © 2006 T exas Instruments Incorporated 39 The table is displayed using the specified values. ³ Problem Find the vertex of the parabola, y = x (36 - x ) using a table of values. Reminder: The vertex of the parabola is the point on the line of symmetry of the parabola .
Copyright © 2006 T exas Instruments Incorporated 40 ³ Problem A charity collected $3,600 to help support a lo cal food kitchen. $450 will be given to the food kitchen every month until t he funds run out. How many months will the charity supp ort the kitchen? Reminder: If x = months and y = money left, then y = 3600 - 450 x.
Copyright © 2006 T exas Instruments Incorporated 41 DOMAIN — Y ou specified an argument to a function outside the valid range. For example: •F o r x Ñ y : x = 0 or y < 0 and x is not an odd integer . •F o r y x : y and x = 0; y < 0 and x is not an integer .
Copyright © 2006 T exas Instruments Incorporated 42 LOW BA TTER Y — 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 with in the reach of ch ildren.
Copyright © 2006 T exas Instruments Incorporated 43 • T o replace the battery , check the polarity (+ and -) and slide in a new battery. Press firmly to snap the new battery into place. Important: When replac ing the ba ttery , avoid any contact with the other components of the TI-30XS MultiView™ calculator.
Copyright © 2006 T exas Instruments Incorporated 44 Te x a s Instruments Support and Service For general information For technical support For product (hardware) service Custo mers in the U.S., Canada, Mexico, Puerto Rico an d Virg in Islands: Always co ntact T exas Instruments Customer Support before returning a product f or service.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Texas Instruments 30XB è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Texas Instruments 30XB - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments 30XB imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments 30XB ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments 30XB, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Texas Instruments 30XB.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Texas Instruments 30XB. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments 30XB insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
