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TI30XIIB Datenblatt(PDF) 2 Page  Texas Instruments 

TI30XIIB Datenblatt(HTML) 2 Page  Texas Instruments 
2 / 5 page ENG 30XÖ àOMà1L1/A Page 2 Statistics %tw v u 1VAR analyzes statistical data from 1 data set with 1 measured variable, x. 2VAR stats analyzes paired data from 2 data sets with 2 measured variables— x, the independent variable, and y, the dependent variable. You can enter up to 42 data sets. To define statistical data points: 1. Press % t. Select 1VAR or 2VAR and press <. The STAT indicator displays. 2. Press v. 3. Enter a value for X1. 4. Press $. ¦ In 1VAR stat mode, enter the frequency of occurrence (FRQ) of the data point. FRQ default=1. If FRQ=0, the data point is ignored. ¦ In 2VAR stat mode, enter the value for Y1 and press <. 5. Repeat steps 3 and 4 until all data points are entered. You must press < or $ to save the last data point or FRQ value entered. If you add or delete data points, the TI30X Ö automatically reorders the list. 6. When all points and frequencies are entered: ¦ Press u to display the menu of variables (see table for definitions) and their current values, or ¦ Press v to return to the blank STAT screen. You can do calculations with data variables (Ï, Ð, etc.). Select a variable from the u menu and then press < to evaluate the calculation. 7. When finished: ¦ Press % t and select CLRDATA to clear all data points without exiting STAT mode, or ¦ Press % w < to clear all data points, variable and FRQ values, and to exit STAT mode (STAT indicator turns off). Variables Definition n Number of x or (x,y) data points. Ï or Ð Mean of all x or y values. Sx or Sy Sample standard deviation of x or y. Îx or Îy Population standard deviation of x or y. Òx or Òy Sum of all x or y values. Òx2 or Òy2 Sum of all x 2 or y 2 values. Òxy Sum of ( x …y) for all xy pairs. a Linear regression slope. b Linear regression yintercept. r Correlation coefficient. x ¢ (2VAR) Uses a and b to calculate predicted x value when you input a y value. y ¢ (2VAR) Uses a and b to calculate predicted y value when you input an x value. Probability H nPr Calculates the number of possible permutations of n items taken r at a time, given n and r. The order of objects is important, as in a race. nCr Calculates the number of possible combinations of n items taken r at a time, given n and r. The order of objects is not important, as in a hand of cards. ! 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, store an integer (seed value) ‚ 0 to rand. The seed value changes randomly every time a random number is generated. RAND [ Generates a random integer between 2 integers, A and B, where A { RAND[ { B. Separate the 2 integers with a comma. Errors ARGUMENT — A function does not have the correct number of arguments. DIVIDE BY 0 — ¦ You attempted to divide by 0. ¦ In statistics, n=1. DOMAIN — You specified an argument to a function outside the valid range. For example: ¦ For x‡: x = 0 or y < 0 and x not an odd integer. ¦ For yx: y and x = 0; y < 0 and x not an integer. ¦ For ‡x: x < 0. ¦ For LOG or LN: x 0. ¦ For TAN: x = 90¡, 90¡, 270¡, 270¡, 450¡, etc. ¦ For SIN1 or COS1: x > 1. ¦ For nCr or nPr: n or r are not integers ‚ 0. ¦ For x!: x is not an integer between 0 and 69. EQUATION LENGTH ERROR — An entry exceeds the digit limits (88 for Entry Line and 47 for Stat or Constant Entry lines); for example, combining an entry with a constant that exceeds the limit. FRQ DOMAIN — FRQ value (in 1VAR stats) < 0 or >99, or not an integer. OVERFLOW —  q ‚ 1¯10, where q is an angle in a trig, hyperbolic, or R 4Pr( function. STAT — ¦ Pressing u with no defined data points. ¦ When not in STAT mode, pressing v, u, or % w. SYNTAX — The command contains a syntax error: entering more than 23 pending operations or 8 pending values; or having misplaced functions, arguments, parentheses, or commas. Battery Replacement 1. Using a small Phillips screwdriver, remove screws from back case. 2. Remove protective cover. Starting from the bottom, carefully separate front from back. Caution: Be careful not to damage any internal parts. 3. Using a small Phillips screwdriver (if necessary), remove old battery; replace with new one. Caution: Avoid contact with other TI30X Ö components while changing the battery. 4. If necessary, press & and  at the same time to reset the TI30X Ö (clears memory and all settings). Caution: Dispose of old batteries properly. Do not incinerate batteries or leave where a child can find them. In Case of Difficulty Review instructions to be certain calculations were performed properly. Press & and  at the same time. This clears all memory and settings. Check the battery to ensure that it is fresh and properly installed. Change the battery when: ¦ & does not turn the unit on, or ¦ The screen goes blank, or ¦ You get unexpected results. To continue using the TI30X ×S (Battery/Solar)† until you can change the battery: 1. Expose the solar panel to brighter light. 2. Press & and  at the same time to reset the calculator. This clears all settings and memory. † Operates in welllit areas using solar cell. Operates in other light settings using battery. TI Product Service and Warranty Information Product Support Customers in the U.S., Canada, Puerto Rico, and the Virgin Islands For general questions, contact Texas Instruments Customer Support: phone: 1 .800.TI.CARES (1 .800.842.2737) email: ticares@ti.com For technical questions, call the Programming Assistance Group of Customer Support: phone: 1 .972.917.8324 Customers outside the U.S., Canada, Puerto Rico, and the Virgin Islands Contact TI by email or visit the TI calculator home page on the World Wide Web. email: ticares@ti.com Internet: www.ti.com/calc Product Service Customers in the U.S. and Canada Only Always contact Texas Instruments Customer Support before returning a product for service. Customers outside the U.S. and Canada Refer to the leaflet enclosed with this product or contact your local Texas Instruments retailer/distributor. Other TI Products and Services Visit the TI calculator home page on the World Wide Web. www.ti.com/calc Warranty Information Customers in the U.S. and Canada Only OneYear Limited Warranty for Electronic Product This Texas Instruments (“TI”) electronic product warranty extends only to the original purchaser and user of the product. Warranty Duration. This TI electronic product is warranted to the original purchaser for a period of one (1) year from the original purchase date. Warranty Coverage. This TI electronic product is warranted against defective materials and construction. THIS WARRANTY IS VOID IF THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR OTHER CAUSES NOT ARISING OUT OF DEFECTS IN MATERIALS OR CONSTRUCTION. Warranty Disclaimers. ANY IMPLIED WARRANTIES ARISING OUT OF THIS SALE, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE ABOVE ONEYEAR PERIOD. TEXAS INSTRUMENTS SHALL NOT BE LIABLE FOR LOSS OF USE OF THE PRODUCT OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS, EXPENSES, OR DAMAGES INCURRED BY THE CONSUMER OR ANY OTHER USER. Some states/provinces do not allow the exclusion or limitation of implied warranties or consequential damages, so the above limitations or exclusions may not apply to you. Legal Remedies. This warranty gives you specific legal rights, and you may also have other rights that vary from state to state or province to province. Warranty Performance. During the above one (1) year warranty period, your defective product will be either repaired or replaced with a reconditioned model of an equivalent quality (at TI’s option) when the product is returned, postage prepaid, to Texas Instruments Service Facility. The warranty of the repaired or replacement unit will continue for the warranty of the original unit or six (6) months, whichever is longer. Other than the postage requirement, no charge will be made for such repair and/or replacement. TI strongly recommends that you insure the product for value prior to mailing. Software. Software is licensed, not sold. TI and its licensors do not warrant that the software will be free from errors or meet your specific requirements. All software is provided “AS IS.” Copyright. The software and any documentation supplied with this product are protected by copyright. All Customers Outside the U.S. and Canada For information about the length and terms of the warranty, refer to your package and/or to the warranty statement enclosed with this product, or contact your local Texas Instruments retailer/distributor. 
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