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TI-10 Calculator and Arithmetic Trainer Copyright a 2001, 2002 Texas Instruments Incorporated General Information The TI-10 has two power sources — battery and solar. It operates in well-lit areas using the solar cell, and it operates in other light settings using the battery. Examples: See the “Examples” page for problems with keystroke sequences that demonstrate many of TI-10 functions and capabilities. Before starting each problem set, reset and clear the TI-10 by pressing b.. This helps to ensure that your displays are the same as those shown in the examples. In Problem Solving AUTO mode, however, displays will vary from those shown in the examples because the problems presented by the TI-10 are random. On/Off To turn the TI-10 on, press . If the TI-10 is on, press to turn it off. If you do not press any keys for about five minutes, the Automatic Power Down™ (APD™) feature turns off the TI-10 automatically. After APD, press to power up again. The display, all pending operations, settings, and memory (including history) are retained. Two-Line Display and Scrolling "!#$ The TI-10 has a two-line display that shows up to 11 characters at a time on each line. Entries that do not fit on the first line wrap to the second. When the second line is filled, the characters scroll up. Entries can be up to 88 characters. Exceptions: For Op1 (Stored Operation), the limit is 44 characters. For ‹ (Problem Solving) MAN (manual) mode, entries do not wrap; entries cannot exceed 11 characters. When a result exceeds the capacity of the display, it is shown in scientific notation. However, if the result is greater than 1099, an OVERFLOW ERROR is displayed; if the result is less than 10L99, an UNDERFLOW ERROR is displayed. Scroll using these keys: ", !, #, and $. ¦ Press "and !to scroll through entries or to move the underline from one item to another within a menu. ¦ Press #and $to scroll through history or to move between menus when the menus are displayed. Clearing, Correcting, and Resetting w w Deletes the character to the left of the cursor. ” Only clears the display and error condition. Does not clear value from memory, mode settings, etc. Clears the value from memory. | | Resets the TI-10 clearing the calculator b completely and restoring all default settings. MEM CLEARED is displayed. Press .to clear the display. You can also reset by: ¦ Using the RESET menu. See Calculator/Problem Solving menus. (Sticky Note comment Revision_Information 19.01.2002 17:54:05 TI-10 Quick Reference Guide English WWW 19 Jan 2002, Rev A) ¦ Pressing and .simultaneously. . TI-10 is in the Place Value feature. Fix TI-10 is rounding results. M A value other than zero is in memory. Op1 Stored operation is active. Problem Solving (.) is in AUTO (automatic) mode. Auto . P When using W, result will be displayed in decimal format. . . More entry history or menus are available. Press #(up) or $(down) to access. . . An entry extends beyond the capacity of the display. Press!or"to scroll. Calculator / Problem Solving Menus Press Calculator Tool QR U(Division result format) ‡ + 1 ? (Show or hide OP) .$ Yn(Clear stored operation) n Y(Reject or select RESET) .$$ .$$$ Press Problem Solving Tool (AUTO) AUTO MAN(Automatic or Manual) 1 2 3 (Level of Difficulty) + -QP ?(Type of Operation) Press Problem Solving Tool (MAN) AUTO MAN (Automatic or Manual) 11 -. - 1 -. (Place Value feature) Once in a menu: ¦ To underline a menu item, press !or". ¦ To select the underlined item, press ®. ¦ To exit a menu, press .. Note: To select an option from the Place Value menu, the TI-10 must be in .(Problem Solving) MAN (manual) mode. Pressing .while in the .(Problem Solving) tool temporarily displays the Scoreboard before the AUTO / MAN menu is displayed. Order of Operations The TI-10 uses the Equation Operating System (EOSe) to evaluate expressions. 1st Expressions inside parentheses. 2nd Functions that require a closing parenthesis ) and precede the argument. 3rd Negation (N). 4th Multiplication, implied multiplication, division. 5th Addition and subtraction. 6th Zcompletes all operations. Basic Arithmetic TUVWrMXYZ Enters the numerals 0 through 9. k, l, m, n, o, p q, h, i, j, T, U, V, W Adds, subtracts, multiplies, divides. r Inserts a decimal point. M Enters a negative sign. (Does not act as an operator.) X, Y Opens, closes a parenthetical expression. Z Completes all operations. -1 Division WProblem Solving ..[\ Division WProblem Solving ..[\ If you use the result of QR division in a subsequent calculation, the TI-10 uses only the quotient. The remainder is dropped. For decimal results, select the decimal division setting by pressing ."®. Press .®to see the previous answer as a decimal. For example: 12 . 5 = 2.4. Memory a| After a calculation, press `to add the displayed result to the value in memory or ato subtract the displayed result from the value in memory. Whenever memory contains a value other than 0, M displays on the screen. To recall the value from memory ...