User manual TEXAS INSTRUMENTS TI-30X IIB

[. . . ] 2-Line Display: The first line (Entry Line) displays an entry of up to 88 digits (or 47 digits for Stat or Constant Entry Line). Entries begin on the left; those with more than 11 digits scroll to the right. or % " to move the cursor immediately to the beginning or end of the entry. The second line (Result Line) displays a result of up to 10 digits, plus a decimal point, a negative sign, a "x10" indicator, and a 2-digit positive or negative exponent. [. . . ] % O converts between mixed numbers and simple fractions. The TI-30X has 5 memory variables--A, B, C, D, and E. You can store a real number or an expression that results in a real number to a memory variable. % { clears all variable values. Notation %, %d %C Pi g p=3. 141592653590 for calculations. p=3. 141592654 for display. Angle Modes I= Previous Entries #$ After an expression is evaluated, use # and $ to scroll through previous entries, which are stored in the TI-30X memory. You can edit a previous entry and press < to evaluate the new expression. I displays a menu to specify the Angle mode as degrees, radians, or gradients. = displays a menu to specify the Angle unit modifier-- degrees (), radians ( r), gradients (g), or DMS ( ). To set the Angle mode for any part of an entry: Select the Angle mode. Entries are interpreted and results displayed according to the Angle mode, or % , displays the Decimal Notation mode menu. 0123456789 sets decimal places to n (09), retaining numeric notation mode format. FLO (default): Floating Notation, with digits to the left and right of the decimal SCI: Scientific Notation ENG: Engineering Notation (exponent is a multiple of 3) % C enters a value in Scientific Notation, regardless of the numeric notation mode. Press M before entering a negative exponent. ENG 30XOM1L1/A Page 1 Statistics %tw v u 1-VAR analyzes statistical data from 1 data set with 1 measured variable, x. 2-VAR stats analyzes paired data from 2 data sets with 2 measured variables--x, the independent variable, and y, the dependent variable. In 1-VAR stat mode, enter the frequency of occurrence (FRQ) of the data point. In 2-VAR stat mode, enter the value for Y1 and press <. Errors ARGUMENT -- A function does not have the correct number 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: e-mail: 1. 800. TI. CARES (1. 800. 842. 2737) ti-cares@ti. com of arguments. In statistics, n=1. DOMAIN -- You specified an argument to a function outside the valid range. For x!: x is not an integer between 0 and 69. EQUATION LENGTH ERROR -- An entry exceeds the digit 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 e-mail or visit the TI calculator home page on the World Wide Web. You must press < or $ to save the last data point or FRQ value entered. If you add or delete data points, the TI-30X automatically reorders the list. 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. Select a variable from the u menu and then press < to evaluate the calculation. 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 n or Sx or Sy x or y x or y x 2 or y2 xy a b r x (2-VAR) y (2-VAR) Definition Number of x or (x, y) data points. [. . . ] Calculates the number of possible combinations nCr of n items taken r at a time, given n and r. 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. Generates a random integer between 2 integers, A RAND[ and B, where A { RAND[ { B. [. . . ]