VTech Power Pad Precomputer Power Pad Plus User Manual
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VTech Power Pad Precomputer Power Pad Plus User Manual

Vtech precomputer power pad plus user's manual
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Summary of Contents for VTech Power Pad Precomputer Power Pad Plus

  • Page 1 Precomputer Power Pad Plus User’s manual...
  • Page 2 Whether it’s learning ® about letters, numbers, geography or algebra, all VTech learning products incorporate advanced technologies and extensive curriculum to encourage children of all ages to reach their potential.

  • Page 3: Table Of Contents

    CHAPTER 1 INTRODUCTION ... 1 CHAPTER 2 GETTING STARTED ... 2 CHAPTER 3 THE KEYBOARD ... 6 CHAPTER 4 ACTIVITIES AND FUNCTIONS ... 11 CHAPTER 5 WORD PROCESSOR ... 20 CHAPTER 6 SYSTEM SETUP ... 26 CONTENTS MAIN BATTERY INSTALLATION ... 2 BACKUP BATTERY INSTALLATION ...
  • Page 4 THE ERROR MESSAGES ... 74 BASIC CALCULATOR OPERATIONS ... 76 USING THE MEMORY FEATURES ... 76 ADVANCED FUNCTIONS ... 77 TRIGONOMETRY FUNCTIONS ... 78 TIME LIMITS... 79 CONNECTING THE CABLE ...81 CONTROLLING VTECH POWER LINK™ ... 81 CARTRIDGE ... 83...

  • Page 5: Chapter 1 Introduction

    CHAPTER 1: Thank you for buying the PRECOMPUTER POWER PAD™ PLUS learning toy by VTECH We at VTECH ® are committed to providing the best possible products to develop a child’s mind. Should you have any questions or concerns, please call our Consumer Services Department at 1-800-521-2010 in the U.S.

  • Page 6: Chapter 2 Getting Started

    CHAPTER 2: The PRECOMPUTER POWER PAD™ PLUS learning unit operates on 4 “AA” (UM-3/LR6) size batteries for the main compartment or a 9V AC adaptor. 2 “AA” (UM-3/LR6) batteries are required to backup the unit. MAIN BATTERY INSTALLATION 1. Make sure the unit is OFF. 2.

  • Page 7: Ac Adaptor Connection

    7377 in Canada and a service representative will be happy to help you. ® The VTECH AC adaptor is perfectly suitable to operate this product. Many retailers carry the adaptor, however, if you are unable to find one locally, you can send $10.00 plus $5.00 for shipping and handling (Illinois residents please add an 8.25%...

  • Page 8: Printer Connection

    PRINTER CONNECTION The PRECOMPUTER POWER PAD™ PLUS learning unit can support 12 different kinds of printers. For details, please refer to Chapter 6. MOUSE CONNECTION Use our standard mouse, included with the PRECOMPUTER POWER PAD™ PLUS. 1. Make sure the unit is OFF. 2.
  • Page 9 Automatic Shut Off If there is no input into the PRECOMPUTER POWER PAD™ PLUS unit for about 20 minutes, the unit will automatically shut off to save power. To turn the unit back on after an automatic shut off, press the ON button again. We recommend turning the unit OFF when not in use.

  • Page 10: Chapter 3 The Keyboard

    CHAPTER 3: THE KEYBOARD The computer keyboard on PRECOMPUTER POWER PAD™ PLUS combines the operation of a standard computer keyboard with several other functions described below. SPECIAL KEYS Enter Key: Press this key after typing or choosing an answer to input your selection. Shift Key: Press this key to type capital letters or the symbols shown on top of the number keys.
  • Page 11 Caps Lock Key: Press this key to make all letters appear in upper case. Press this key again to return to normal typing mode. When the Caps Lock function is activated, the Caps Lock light will turn on. Answer Key: Press this key to see the correct answer to any question.
  • Page 12 Hint Key: Press the Shift key and this key simultaneously when inputting text in Trivia activities when you need a hint. You will be given three multiple choice answers to choose from. Rocket Fuel, you may replay the current stage. Break Key: Press the Shift and Break keys simultaneously when you want to interrupt a program in the BASIC activity while it is running.

  • Page 13: Activity Selector

    Backspace Key: Press this key when you want to delete the character before the cursor position. 3, #, and £: Press this key to type the number “3”. Press Shift and this key simultaneously when you want to type the symbol “£”. Press Alt and this key simultaneously when you want to type the symbol “#”.
  • Page 14 1, 2, 3, 4. The first level is the easiest and the fourth level is the most difficult. Cartridge Key: This key is used to access VTECH ® PRECOMPUTER expansion cartridges that are compatible with the unit.

  • Page 15: Chapter 4 Activities And Functions

    CHAPTER 4: HOW TO PLAY SELECTING/CHOOSING/HIGHLIGHTING During the course of entering the activities and during game play, you will be asked to either select, choose or highlight an object, a number, a letter or a word. This can be done in two different ways: Mouse You can move the cursor arrow with the mouse.
  • Page 16 There are 5 large icons on top of the Main Menu. You can choose from the following: Word Games , Mathematics , Computer Skills , Games , and Trivia Use 1 of the following 2 ways to enter into one of the five categories: 1.
  • Page 17 NOTE: The following activities do not feature the two-player mode: • Word Puzzles • Spy Trap • Rocket Fuel • Keyboard Skills • Typing Challenge • Word Processor • BASIC Tutor • BASIC • Design A Card • Spell Checker •...
  • Page 18 TENSES Two tenses of a verb will appear on the screen. Type in the missing tense (present, past or past participle) of that verb and press the Enter key to confirm your answer. WORD PUZZLES This is a crossword puzzle game with 10 missing words in each puzzle. Use the cursor keys or mouse to select one of the missing words.
  • Page 19 WORD MAKER The unit will display a prefix or a suffix of a word at the bottom of the screen. Several suffixes/prefixes scroll across the screen above the word. When the correct suffix/prefix is above the word, press the Enter key to input your answer. SENTENCE SCRAMBLER A group of words will appear on the screen.
  • Page 20 FRACTIONS A fraction will display on the screen. 3 multiple choice options will be given. Decide which option is the correct answer and press its corresponding number or click on the answer with your mouse. FLIP FLOP FRACTIONS An equation which involves turning a fraction into a decimal/percentage will appear on the screen.
  • Page 21 to type each letter. Each correct letter equals 1 point. After typing 100 letters (50 for the left hand, 50 for the right hand), the score and the rewarding screen will be shown. Expert Course In the expect course, follow the screen and type the given text. After you have completely typed the text, your typing speed and accuracy will appear on the screen.
  • Page 22 To create and print a Folded Card : Select Folded Card. Choose a picture to be used in the folded card. Type in your text message. You are allowed up to eight lines of text. Press the Enter key several times. The unit will ask you if you have finished entering your text.
  • Page 23 the rules of the game: 1. Press the number key or use your mouse to select the numbers. You may select any number. If all nine of the squares fill up, you will lose a turn. 2. Try to select the numbers so that 2 to 3 continuous numbers that you choose, add up to the number in the middle of the screen.

  • Page 24: Chapter 5 Word Processor

    TRIVIA This challenging trivia game has 1000 questions in 4 different topics: Science, English, Geography and General. All topics are available with a 2-player mode and 4 levels. Once you have selected a topic, a question will appear on the screen. If you know the answer to the question type in your answer and the press the Enter key to input your answer.

  • Page 25: File Options

    J=L means the current line is justified left. means the current word is not bolded. CH means which character the cursor is on in a particular line. PLEASE NOTE THAT THE VT-25 THERMAL PRINTER PRINTS 25 CHARACTERS PER LINE ON A STANDARD ROLL OF THERMAL PAPER. YOUR PREPARED TEXT WILL AUTOMATICALLY BE ADJUSTED TO FIT THIS FORMAT WHEN YOU SELECT THE VT- 25 THERMAL PRINTER IN PRINTER SETUP.

  • Page 26: Edit Options

    Note: If you have purchased our VTECH POWER LINK™, and connect it to the unit correctly, you may also Save, Load or Delete a file on the connected PC. In the File Options, select Load.

  • Page 27: Format Options

    Paste Block After you have used the Block Cut or Block Copy option, move the cursor to the position where you want the block of text to be pasted. Select Paste Block from the EDIT menu and the block of text you defined will be pasted to the new location. Clear Block To erase a block of text, first define the block of text and select Clear Block from the EDIT menu to clear the block.

  • Page 28: Tools Options

    TOOLS OPTIONS The TOOLS menu provides two functions: Check Spelling and Symbols. Check Spelling Spell checker checks a word to see if it is in the unit's dictionary. To check the spelling of a word, highlight a word using your mouse. Then choose Tools Options and select Check Spelling.

  • Page 29: Help

    If you have purchased our VTECH POWER LINK™(sold separately), you can use the PC monitor to view your text before it is printed. Make sure the VTECH POWER LINK™ is correctly connected, then select Print Preview from the PRINT menu. The text will be displayed on your PC screen.

  • Page 30: Chapter 6 System Setup

    There are a number of printers which PRECOMPUTER POWER PAD™ PLUS is compatible with. Printer Setup allows you to select a printer to print your documents. PRECOMPUTER POWER PAD™ PLUS supports the following printers: VTECH Thermal VT-25 EPSON LQ-X70 EPSON 24 Pin...

  • Page 31: Screen Saver

    SCREEN SAVER The unit features a screen saver option. The screen saver will appear after two minutes with no input. You can turn this feature ON or OFF by pressing the Enter key or selecting it with your mouse. CLEAR LAST SCORE The PRECOMPUTER POWER PAD™...

  • Page 32: Demo Mode

    If you want to choose a default message, select Default Messages and click on the left mouse button or press the Enter key. Choose from: VTech - Precomputer Power Pad (TM) Plus COPYRIGHT (C); Proverb 1 - “Triumph” is try added to umph.; Proverb 2 - Reach for your potential and your potential will reach for you.

  • Page 33: Power Link

    If you select Yes, all data on the RAM cartridge will be cleared. POWER LINK If you have purchased our VTECH POWER LINK™, you can connect the PRECOMPUTER POWER PAD™ PLUS unit to a Personal Computer. Please see Chapter 11 for details.

  • Page 34: Chapter 7 Basic

    CHAPTER 7: BASIC INTRODUCTION WHAT IS BASIC? BASIC is a computer language. The name BASIC stands for Beginner’s All-purpose Symbolic Instruction Code. in the mid-1960s. It was designed for students who had no previous experience in programming computers. BASIC is a basic language; however there are differences in the language based on the computer that uses it in much the same way that English is different depending on which country it is spoken in (Great Britain or the United States) or which part of the country the language is spoken in (East Coast, Midwest, South or the West...
  • Page 35 THE KEYBOARD The numeric (top row) keys are used for entering numbers. The letter keys are used for entering letters. The cursor is the blinking symbol “_” on the display that indicates where the next character that is pressed on the keyboard will be entered in the computer. The SHIFT key is used with another key to enter a character into the computer.

  • Page 36: Getting Started

    THE LCD SCREEN The PRECOMPUTER POWER PAD™ PLUS learning unit uses a Liquid Crystal Display (LCD) screen. Each line will display 20 characters at a time. The Left Arrow key and Right Arrow key are used to scroll the 20 character display window left or right, respectively.
  • Page 37 This command instructs PRECOMPUTER POWER PAD™ PLUS to begin executing each BASIC statement with a line number that was typed into memory. The computer will start with the lowest line number and proceed up to the highest numbered statement. EDIT Use the EDIT command when you want to change a statement that has been typed into memory without re-typing the entire line.

  • Page 38: Basic Computer Tutorial

    BASIC COMPUTER TUTORIAL EXAMPLE OF A BASIC PROGRAM You and Teresa went to the local video store to rent some movies. Teresa brought back 12 but 4 were too scary for you so you returned them. On that trip you came home with 7 new movies.
  • Page 39 LET’S DO SOME ARITHMETIC In the previous section you learned to program the sum of three numbers using the BASIC program. Numbers like 1, 3, 27, 14.3, etc., are called CONSTANTS, numbers that do not change value. The program added and subtracted the constants 12, 4 and 7. The order that you do addition is unimportant: 6+10 is the same as 10+6.
  • Page 40 Type this: PRINT 3+11/7 Is it really evaluated from left to right? Yes, but was it the answer you were expecting? If the answer came out to 4.57143, the computer first divided 11 by 7 getting 1.57143 and then it added 3 to the result giving 4.57143. You probably were expecting the answer to be 2 because 3+11 is 14, then divided by 7 is 2.
  • Page 41 The computer creates a box in memory and calls it “A”. It puts the number 8 in this box. Now type: LET B=10 The computer creates a box called “B” and places 10 into it. Type: 30 LET B=15 Since there is a box called “B” already with a value of 10 in it, it doesn’t make another box called “B”...
  • Page 42 You will see the following on the screen: FIRST NUMBER 8 SECOND NUMBER 15 THE SUM IS 23 Let’s take a look at the print statements on lines 50 through 70. The words in quotes are called a STRING or a LITERAL. Whatever you put between a set of quotation marks will appear on the screen exactly the way you typed it.
  • Page 43 VARIABLE NAMES Here’s an example of storing a string variable: LET A$=“ALPHABET SOUP NO 123” You can have a numeric variable called A and a string variable called A$. The $ lets BASIC know how to tell them apart. NOTE: For both numeric and string variables, only the first 2 characters of the variable names are valid.
  • Page 44 PRINT “THE ANSWER IS”; N press ENTER The statement at line 10 stores the numeric constant zero into N, a numeric variable. In statement 20 the variable will have a numeric constant,1, added to itself and then the sum of that operation will be stored in place of the value previously stored there. The program in the above example contains a programming construction called a loop.
  • Page 45 You can use as many input statements as you need to get all the values into your program. Try this: INPUT “GIVE ME A NUMBER”; N1 INPUT “AND ANOTHER”; N2 PRINT “I WILL ADD THEM” C=N1+N2 PRINT “THE ANSWER IS”; C Type RUN and press ENTER to see what happens.
  • Page 46 The A > 90 is a condition. The print “YOU ARE SMART” is the command given for the true condition. In the above example, let’s give A the value 80. Would the message be printed? No, it would not be printed because the condition is false (80 is less than 90). Let’s try a program to compute the area of a rectangle.
  • Page 47 PRINT “ARITHMETIC OPERATION YOU WANT” PRINT “ME TO DO FOR YOU” INPUT R$ 100 IF R$=“A” THEN C=A+B : GOTO 200 110 IF R$=“S” THEN C=A-B : GOTO 200 120 IF R$=“M” THEN C=A*B : GOTO 200 130 IF R$=“D” THEN C=A/B : GOTO 200 140 PRINT “YOU MADE A MISTAKE”...
  • Page 48 LOOPING A loop is a set of one or more instructions. These instructions can be repeated as many times as you want. You can create a loop with a GOTO statement. A program like the following will run continually: INPUT “GIVE ME A NUMBER”;N PRINT “YOUR NUMBER IS”;N GOTO 10 You can modify the program to get out of a loop by using an IF statement to control the...
  • Page 49 We could always rewrite the program like this: PRINT “N IS”;N N=N+1 IF N > 10 THEN END GOTO 20 We can also count by 2’s. Let’s bring back the previous program and change line 10. The entire program looks like this: FOR N=1 TO 10 STEP 2 PRINT “N IS”;N NEXT N...
  • Page 50 MORE ABOUT GROUPS - GOSUB ... How much is 10 degrees Celsius in Fahrenheit? What is 100 degrees Fahrenheit in Celsius? Here’s a program that gives you the answers. It uses the GOSUB and RETURN statements to create a group of instructions that can be executed from various parts of the program. Remember when you use a GOSUB, the program branches to the line number that you specify in the statements that will be executed sequentially until a RETURN statement is encountered.

  • Page 51: Reference Section

    REFERENCE SECTION The REFERENCE SECTION contains a brief explanation of all the commands and statements you will use in this chapter. CLEAR The CLEAR statement is used to assign more memory space for the string variables. Example: Clear 100 This command will assign 100 bytes of memory for strings. If the CLEAR command is not used, the computer will assume the number of bytes of memory for strings to be 50.
  • Page 52 EDIT Use the EDIT command when you want to change a statement that has been typed into memory without re-typing the entire line. Just type EDIT and the line number and press the ENTER key. The statement will appear on the display. Use the LEFT-ARROW and RIGHT-ARROW keys to move the cursor.
  • Page 53 PSET This command is used for drawing a specified point on the screen. PSET X, Y (X, Y) is a coordinate of the specified point to be shown. X represents a value of a horizontal position. Y represents a value of a vertical position. Example: PSET 100, 8 The result:...
  • Page 54 SOUND This is a command to generate a sound note. SOUND consists of two functions: frequency and duration frequency The frequency of the sound in hertz; a value in the range 0 < frequency parameter < 256 duration The number of the system clock ticks so the sound lasts; a value in the range 0 <...
  • Page 55 Type PRINT SQR (9). (press ENTER) The answer is 3. Example: Y=9 : X=SQR(Y) : PRINT X The answer is 3. In these two examples, 9 is the argument, SQR is the function and 3 is the result. A LIST OF NUMERIC FUNCTIONS Function What it does ABS (X)

  • Page 56: Arithmetic Functions

    ARITHMETIC FUNCTIONS ABS (X) This gives the absolute (positive) value of the argument. Example: PRINT ABS (7-2*4) SGN (X) This function will give the value of +1 if X is positive, 0 if X is zero, and -1 if X is negative. So SGN(4.3)=1;...

  • Page 57: String Functions

    Example: PRINT RND (19) You will get a number between 1 and 19. RND (0) will give you a number between 0 and 1. Note: X cannot be negative. Important Note: From now on, the ENTER key sign will be deleted for simplicity. Remember to press the ENTER key after each line of entry.

  • Page 58: Graphics Function

    VAL works like STR$ but in reverse. It changes a string argument into a number. Look at the following short program. Example: A$=“33” B$=“20” C=VAL(A$+B$) D= VAL (A$) + VAL (B$) PRINT C;D 3320 53 GRAPHICS FUNCTION PGET function Returns the color attribute of a specified pixel. PGET(X, Y) = n Returns the current coordinates(X, Y) turns the pixel status ON...
  • Page 59 Example: A$=“ABCDE” B$=LEFT$ (A$+“FGH”,6) PRINT B$ ABCDEF RIGHT$ (A$,N) This will return a substring but starting from the Nth character from the end and running to the last one - the right-most character in the string A$. Example: A$=“WHY” B$=RIGHT$(A$+“ME”,4) PRINT B$ HYME MID$ (A$,M,N)
  • Page 60 ASC(A$) The ASC statement will return the ASCII code, a code for representing alphanumeric information, for the FIRST character of the specified string. string specified. Refer to the appendix of THE ASCII CODE TABLE (Page 72). For example, the ASCII decimal value of “X” is 88. Example: X=ASC(“ROY”) PRINT X...
  • Page 61 Example: GOSUB 120 other program lines 120 PRINT “WELCOME TO THE” 130 PRINT “PRECOMPUTER POWER PAD PLUS” 140 RETURN GOTO Line # GOTO line number The GOTO statement is used to change the normal flow of the program (which is from the lowest statement number to the highest).
  • Page 62 Relations or comparisons used in the IF...THEN statement are the following: = Equal to < = Less than or equal to < > Not equal to > = Greater than or equal to < Less than > Greater than Examples of how you can use conditions: IF...THEN A=B IF...THEN GOTO IF...THEN GOSUB...

  • Page 63: Logical Operators

    Example: IF P=6 THEN PRINT “TRUE” ELSE PRINT “FALSE” In this example, if P=6 the computer will print TRUE. Any other value will print FALSE. In either case the computer will carry onto the next line. It is possible for more than one statement to follow the THEN or ELSE command. A colon separates the statements.
  • Page 64 TRUTH TABLES The following tables are called TRUTH TABLES. They illustrate the results of the previous logical operations with both A and B given for every possible combination of values. TRUTH TABLE FOR “NOT” FUNCTION TRUTH TABLE FOR “AND” FUNCTION TRUTH TABLE FOR “OR”...
  • Page 65 Note that T = TRUE and F = FALSE. Example: INPUT A,B,C IF A=B AND B=C THEN PRINT “A=B=C” IF (NOT A=B) OR (NOT B=C) THEN 50 PRINT “A=B=C IS FALSE” ? 10 (pick a number) ?? 5 (pick a number) ?? 7 (pick a number) A=B=C IS FALSE...
  • Page 66 Examples: INPUT AMOUNT 140 INPUT “WHAT IS YOUR NAME”;NAME$ Line # LET variable = variable expression The variable expression is calculated and the result is stored under the variable. The word LET is optional. Examples: LET SUM=A+B+C LET AMOUNT=PRICE-DISCOUNT LIST LIST (optional line number) LIST is used to display the active program.
  • Page 67 NEW erases all program lines from the active program area. PRINT Line # PRINT expression and/or character string The PRINT statement is used to produce output on the display panel. The PRINT command will print one or several items - either expressions or strings. Each item in the list should be separated by a comma or a semicolon.
  • Page 68 RESTORE If you want to use the same data later on in the program, you can do so by using the RESTORE statement. Example: DATA 1,3,8,9 READ A,B,D RESTORE READ X,Y PRINT A;B;D PRINT X;Y 1 3 8 The RESTORE command makes subsequent READ statements get their values from the start of the first DATA statement.

  • Page 69: Appendix

    Line # REM text REM is used to add comments in your program which are ignored when the program is RUN. Example: REM**GUESSING GAME** REM TEST OF SORTING RUN tells the computer to begin to perform your program beginning with the lowest statement number.
  • Page 70 ROCK, PAPER, SCISSORS PRINT “Rock, Paper, Scissors” PRINT “Type in P, R, S” INPUT “and see if you win. ->”; ANSWER$ PRINT “You :” ; ANSWER$; MYGUESS = INT (RND (0)*(3) + 1) IF MYGUESS = 1 THEN PRINT “ Me : Rock” IF MYGUESS = 2 THEN PRINT “...
  • Page 71 LIFE PRINT “If an average life” PRINT “span is 70 years” PRINT “Then how many” PRINT “generations would have” PRINT “lived in 2000 years?” INPUT “Enter a guess.”;GUESS AMOUNT = INT (2000/70) DIFF = ABS (AMOUNT-GUESS) PRINT “The answer was ” ;AMOUNT 100 PRINT “You were ”;...
  • Page 72 THE FORTUNE TELLER DIM N$(5) PRINT “The Fortune Teller” INPUT “Are you a boy or a girl” ;S$ INPUT “Pick a number between 2-5”; NUMBER FOR COUNT = 1 TO NUMBER IF S$ = “boy” OR S$=“BOY” THEN 70 ELSE 90 INPUT “Enter a girl’s name”;...
  • Page 73 LEARN SCHEDULE DIM WEEK$(6) DIM EVENT$(6) DATA “SUNDAY”,“PLAY TIME” DATA “MONDAY”,“LEARN ECOLOGY” DATA “TUESDAY”,“LEARN ENGLISH” DATA “WEDNESDAY”,“LEARN MUSIC” DATA “THURSDAY”,“LEARN HISTORY” DATA “FRIDAY”,“LEARN GEOGRAPHY” DATA “SATURDAY”,“PLAY FOOTBALL” 100 REM(*)LIST(*) 110 FOR W=0 TO 6 120 READ WEEK$(W) 130 READ EVENT$(W) 140 PRINT WEEK$(W),EVENT$(W) 150 NEXT W 999 END...
  • Page 74 MAD LIB’S REM * MAD LIB’S * PRINT “Mad Lib’s” INPUT “Adjective”; A1$ INPUT “Verb”; V$ INPUT “Adverb”; A2$ PRINT “Once upon a time” PRINT “there was a ”; A1$ PRINT “dog that decided to” PRINT V$; “ ”; A2$;“ down the” 100 PRINT “hill to fetch its”...
  • Page 75 GOTO 40 100 PRINT "No! The secret number is smaller." 110 GOTO 40 200 PRINT "Yes! The number is "; NO;"." 210 END PATTERN PICTURE REM **DRAW A PICTURE** FOR Y=0 TO 7 X= 50+Y PSET X,Y : X=X+1 IF X<70-Y THEN GOTO 50 NEXT FOR Y=8 TO 15 X=50+15-Y...
  • Page 76 TWINLKE TWINKLE LITTLE STAR REM Twinkle Twinkle Little Star DATA 62,62,19,19,10,10,19,30,30,36,36 DATA 50,50,62,19,19,30,30,36,36,50 DATA 19,19,30,30,36,36,50,62,62,19,19 DATA 10,10,19,30,30,36,36,50,50,62 FOR I=1 TO 42 READ F SOUND F,20 NEXT I 100 END THE MUSIC NOTE VALUE TABLE High Octave Octave...
  • Page 77 THE ASCII CODE TABLE Decimal Printable Value Character (Space) “ & ‘ (Apostrophe) < > Decimal Printable Value Character _ (Under score) Decimal Printable Value Character ‘ (Accent) (THE ERROR)

  • Page 78: The Error Messages

    THE ERROR MESSAGES CANNOT CONTINUE An attempt is made to continue a program that: 1. Has halted due to an error. 2. Has been modified during a break in execution, or 3. Does not exist. DIVISION BY ZERO A division by zero is encountered in an expression, or the operation of involution results in zero being raised to a negative power.
  • Page 79 OUT OF STRING SPACE String variables have caused BASIC to exceed the amount of free memory remaining. OVERFLOW The result of a calculation is too large to be represented in the number format. If underflow occurs, the result is zero and execution continues without an error. REDIMENSIONED ARRAY Two DIM statements are given for the same array, or a DIM statement is given for an array after the default dimension of 10 has been established for that array.

  • Page 80: Chapter 8 Calculator

    CHAPTER 8: CALCULATOR The Calculator function turns the PRECOMPUTER POWER PAD™ PLUS unit into a calculator with a 14-digit memory. The number keys and the 19 specially marked keys in the second and third rows of the keyboard are used in the Calculator activity. To clear the screen, use the BASIC CALCULATOR OPERATIONS The basic calculator symbols are:...

  • Page 81: Advanced Functions

    Input 34 - 78 23 - 6 + 9 ADVANCED FUNCTIONS The Calculator has special function keys located on the second and third rows of the keyboard. Always press the function key first when using it in a problem and then enter the numbers it is to operate on.

  • Page 82: Trigonometry Functions

    TRIGONOMETRY FUNCTIONS All the trigonometric functions can take two forms of input-radians and degrees. just type in a number, the Calculator assumes the number is in radians. To enter a number in degrees, press the degree sign Function Operation SINE SINE COSINE COSINE...

  • Page 83: Chapter 9 Time Limits

    CHAPTER 9: TIME LIMITS Categories Activities Word Games All Word Games (except Word Puzzles) Word Puzzles Mathematics All Math Games Trivia All Trivia Games Games Spy Trap Rocket Fuel Computer Skills All Computer Skills TIMING CODE 1. In the one player mode, the answer must be input within 60 seconds. In two player mode, the player has 10 seconds to press their player button to answer first.
  • Page 84 SCORING CODE 1. One Player Mode 5 Questions per round Correct answer on 1st try Correct answer on 2nd try Correct answer on 3rd try Two Players Mode 10 Questions per round Starting Score Correct answer Wrong answer 2. Missing words per puzzle Correct answer on 1st try Correct answer on 2nd try Correct answer on 3rd try...

  • Page 85: Chapter 11 Power Link

    Type in your answer or press the Shift + Help key to view your three multiple choice answers, and then press the Enter key. Your score will also be shown on the PC monitor. NOTE: The VTECH POWER LINK™ feature must be in Trivia PC to use the Trivia Playback feature. File Transfer In File Transfer, you may choose from the following options: View File, Save File, Load File and Delete File.
  • Page 86 If you press the Print Screen key on the PRECOMPUTER POWER PAD™ PLUS membrane activity selector, you will be able to capture any screen and view it on the PC monitor using the VIEW function. Please refer to your VTECH POWER LINK™ manual for further details on this feature.

  • Page 87: Chapter 12 How To Use An Expansion Cartridge

    CHAPTER 12: HOW TO USE AN EXPANSION CARTRIDGE There is an entire library of optional expansion cartridges available for the PRECOMPUTER POWER PAD™ PLUS unit. To use a cartridge, follow these steps: 1. Make sure the unit is OFF. 2. Insert a cartridge into the slot located on the left-hand side of the unit. 3.

  • Page 88: Chapter 13 Care And Maintenance

    IMPORTANT NOTE: Creating and developing learning aids is accompanied by a responsibility that we at VTECH take very seriously. We make every effort to ensure the accuracy of the information which forms the value of our product. However, errors sometimes can occur. It is important for you to know that we stand behind our products and encourage you to call our Consumer Services Department at 1-800-521-2010 in the U.S.

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