Calculated Industries GradeMatic 4000 User Manual
  1. Manuals
  2. Brands
  3. Calculated Industries Manuals
  4. Calculator
  5. GradeMatic 4000
  6. User manual

Calculated Industries GradeMatic 4000 User Manual

Calculated industries gradematic 4000: users guide
Hide thumbs
Table of Contents

Advertisement

Quick Links

G
M
4000™
RADE
ATIC
The Ultimate Teacher's Aid
User's Guide

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GradeMatic 4000 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Calculated Industries GradeMatic 4000

Summary of Contents for Calculated Industries GradeMatic 4000

  • Page 1 4000™ RADE ATIC The Ultimate Teacher’s Aid User’s Guide...

  • Page 2: Table Of Contents

    A B L E O F I n t roducing GradeMatic 4000 ..3 F e a t u re s ....3 S p e c i f i c a t i o n s .

  • Page 3: F E A T U Re S

    R A D E AT I C F e a t u re s The GradeMatic 4000 grading calculator, dubbed by teachers world wide as “the ultimate teacher’s ai d e , ” p rovides the fol- lowing feature s : P e rmanently stores teacher’s custom...

  • Page 4: Power Source

    Grade Display Form a t s G PAs 4, 5, 12 Scaled % True % P o i n t s Max # of Grades per Student Max # of Students per Class 4 – GradeMatic 4000 133 x 70 x 6.5mm ™...

  • Page 5: Operating Fundamentals

    Note: If the timer/stopwatch is running, the automatic shutdown is disabled. Display Your GradeMatic 4000 has a 10–digit internal accuracy and uses a standard 5/4 rounding technique for an accurate 8–digit display. UNDAMENTALS...

  • Page 6: Full Reset/All Clear

    Battery Information GradeMatic 4000 is powered by a sin- gle 3-Volt Lithium CR-2032 battery. If the display becomes weak or erratic, replace the battery.
  • Page 7 Last Math Entry Prev. Math Entries Last Grade Entry Prev. Grade Entries Maximum/Minimum Pts Class Average ‘Auto’ Weights Grade Display Format Custom Grade Scale Preference Settings Table 1 • • • • • • • • • • • • •...

  • Page 8: S T O P W A T C H / Ti M E R

    S t o p w a t c h / Ti m e r GradeMatic 4000 includes a full function stopwatch/timer with buzzer feature. Able to count up from zero or down from an e n t e red time, the count is displayed in an h o u r, minute, second format.

  • Page 9: Basic Math

    Basic Math GradeMatic 4000 uses standard chaining logic for calculations. This means that when solving a problem, it solves in the order entered. Keystrokes 3 [+] 2 [=] 3 [–] 2 [=] 3 [x] 2 [=] 3 [÷] 2 [=]...
  • Page 10 Press [=] to display answer. Keystrokes [Set] [%] 15 [=] 100 [Set] [%] 25 [=] Square Root Calculates the square root of a given number. Keystrokes [144] [Set] [+] [100] [Set] [+] 10 – GradeMatic 4000 — ™ Display –75. Display...

  • Page 11: Cumulative Memory

    Cumulative Memory The GradeMatic 4000 has a cumulative Memory function that allows you to store a value for future use. When a value is stored in memory, it does not change until revised or the calculator is reset. Values can be stored in any for- mat.

  • Page 12: Using The Memory Function

    5 . Subtract 30 from the memory total: [30] [Set] [M+] 6 . Display the results and clear memory : [Rcl] [Rcl] 7 . Clear the display: [On/C] [On/C] 1 2 – GradeMatic 4000 ™ Display 2 5 . 3 0 . 5 5 .

  • Page 13: G Pa Scale Va L U E

    G PA Scale Values GradeMatic 4000 i n t e rnally calculates let- ter and number grades based on these scales for GPAs 4.0, 5.0, and 12.0 G PA 4.0 4 . 3 3 4 . 0 0 3 . 6 7 A –...

  • Page 14: Grading Display

    “None” will display to indicate that a grade value is re q u i red before a value can be calculated, or the grade selected is not available due to pre f e r- ence settings. 1 4 – GradeMatic 4000™...

  • Page 15: Default Grading Scale

    I m p o rtant! All exercises in this section use default values unless otherwise stated. P ress [Set] [x] to re s t o re GradeMatic 4000 to its default settings. Default Grading Scale The following examples use the default grading scale shown below.

  • Page 16: Working With Maximum And Minimum Points

    100. Minimum Points Minimum points can either be set d i rectly, or the GradeMatic 4000 can do this automatically. When set automati- cally, GradeMatic 4000 multiplies the maximum points by the D– bre a k p o i n t p e rcentage (default is 60%).

  • Page 17: Minimum Points 1

    Entering Maximum Points The following exercise shows how to change the maximum points and let the calculator figure the minimum points. You will also convert the following s c o res to percent and letter grades using a maximum points setting of 50.
  • Page 18 N o t e : With the new maximum and mini - mum points, the passing grade is lower than with the default minimum points. 1 8 – GradeMatic 4000 1 3 0 1 8 6 . 6 6 B + 2 62.00 D+...
  • Page 19 Resetting Maximum and Minimum Points to Defaults S t e p / K e y s t ro k e s 1 . R e t u rn the maximum and minimum points to their defaults: [ O ff] [On/C] 2 .

  • Page 20: Customizing Gradematic 4000

    Customizing GradeMatic 4000 With the GradeMatic 4000, you may customize your calculator to suit your special needs by: 1) Selecting the grade display format 2) Entering a custom grade scale. Preferences Before you begin grading, you may customize your calculator via the Preference function.
  • Page 21 Settings & Defaults N o t e : The default option for each setting is identified with an asterisk ( S c a l e O p t i o n s : Defined below ( True Percent) is the actual mathe- matical relationship between the maxi- mum and actual points entered and the grade scale in use.
  • Page 22 Note: The GradeMatic 4000 also pro v i d e s k e y s t roke shortcuts to changing the grading f o rmat. Refer to S h o rtcuts to Setting Grade F o rmat for additional inform a t i o n .
  • Page 23 N o t e : The default for each setting is identi - fied with an asterisk ( Set A–F O p t i o n s : Set ALL To set break points for whole grades only, leave this setting at b reak points for N o t e : Setting the A e rences to O...
  • Page 24 If set to O , a beep sounds with each key p re s s . 2 4 – GradeMatic 4000 , an A + grade can be entere d . , A + cannot be entered or dis- A–F N o t e.
  • Page 25 O S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Set All + and All – p re f e rences to O ff : [Set] [÷]...

  • Page 26: Converting Scores & Grades

    C o n v e rting Scores & Grades GradeMatic 4000 is most commonly used for converting scores to letter grades. This is done using either the [ Av g ] [# Grd ] C o n v e rt Raw Scores to Letter Grades...
  • Page 27 187 [Av g ] 155 [Av g ] 164 [Av g ] [Set] [Av g ] Do Not Clear the Calculator 1 8 7 1 5 5 1 6 4 1 9 3 . 5 0 A 1 77.50 1 82.00 B –...
  • Page 28 Grade Form a t s The following shows the diff e rent dis- play formats of the GradeMatic 4000. The GradeMatic 4000 can be used to easily convert between form a t s . K e y s t rokes...
  • Page 29 Student #1 Student #2 Student #3 S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Enter 200 maximum points: 200 [Max Pts] 3 . Enter the students’ grades:...
  • Page 30 4 . Enter the grades: 376 [+] 165 [+] 545 [=] 5 . Find the average: [ Av g ] 3 0 – GradeMatic 4000 3 7 6 1 6 5 5 4 5 ™ D i s p l a y 1 5 0 0 .
  • Page 31 Po i n t s - O ff/Negative Score Grading You can also use the calculator for neg- ative or “points-off” grading. Press the [ – ] key, enter the number of points off , then press [ Av g ]. The following exer- cise assumes a standard 100–point...
  • Page 32 2 . Enter the per–page points–off : [–] 10 [–] 5 [–] 6 [=] 3 . Find the student’s average: [ Av g ] 3 2 – GradeMatic 4000 – 5 – 6 ™ D i s p l a y – 1 0 –...

  • Page 33: Averaging Grades

    [# Grd ] k e y . Averaging Letter Grades Enter and average the following grades: S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Enter the grades: [ B + ] [ C –...
  • Page 34 [ B + ] 64 [# Grd ] [ C – ] 3 . Find the average for grades: [ Av g ] 3 4 – GradeMatic 4000 C – ™ D i s p l a y 1 87.00 B + 2 88.33 B +...

  • Page 35: Grade Weighting

    Grade Weighting GradeMatic 4000 p rovides a grade weighting feature that can be used to weigh a grade more heavily than oth- ers. For example, the following table shows that homework and quizzes account for 50% of a student’s average,...
  • Page 36 Otherwise the grade will not re c e i v e the correct weight factor. N o t e : To clear the weight table, turn the cal - culator off by pressing the [ O ff ] k e y. 3 6 – GradeMatic 4000 ™...
  • Page 37 #1 (Homework) #2 (Quizzes) #3 (Mid-term ) S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Enter the weighted grades: [ B + ] [C–] 2 [Wt] [A–] 7 [Wt]...
  • Page 38 5 . Enter the third grade and wt. factor: [A–] 7 [Wt] 6 . Find the average for grades: [ Av g ] 3 8 – GradeMatic 4000 G r a d e A – 1 88.33 B+ 2 93.00 A–...
  • Page 39 #1 (Homework) #2 (Quizzes) #3 (Mid-term ) S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Select the weight table: [Set] [Wt] 3 . Enter the weight factors:...
  • Page 40 N o t e : Weights 4–10 are valued at 1.00 because no change was made. 4 . Clear display and exit the weight t a b l e : [On/C] [On/C] 4 0 – GradeMatic 4000 ™ D i s p l a y 1 1.00 2 2.00...
  • Page 41 #1 (Homework) #2 (Quizzes) #3 (Mid-term ) S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Enter the grades: [ B + ] [ C – ] [ A –...
  • Page 42 3 . Find the average: [ Av g ] 4 . Clear and exit the weight table: [ O ff] [On/C] 4 2 – GradeMatic 4000 1 88.33 B + 2 7 1 . 6 7 C – ™ G r a d e C –...

  • Page 43: Custom Grade Scales

    Custom Grade Scales Wi t h t h e GradeMatic 4000 you can e n t e r, recall and store your own custom grade scale. Grade scales are usually set for whole-grade (A/B/C/D/F) bre a k points with (B+/B/B–) automatically divided even- ly within the whole-grade range.
  • Page 44 4 . Set the minimum points for “C”: 75 [Set] C 5 . Set the minimum points for “D”: 65 [Set] D 4 4 – GradeMatic 4000 Sample Scale B = 85.0 – 93.0 D = 65.0 – 75.0 ™...
  • Page 45 To view the points range for a letter grade press the g r a d e . S t e p / K e y s t ro k e s 1 . Clear calculator: [On/C] [On/C] 2 . Enter 100 maximum points: 100 [Max Pts] 3 .
  • Page 46 N o t e : To review the minimum points for grades, follow the same steps but use the [Min Pts] key instead of the [Max Pts] k e y. 4 6 – GradeMatic 4000 ™ D i s p l a y 5 0 0 .
  • Page 47 Plus/Minus Custom Scale The following exercise shows how to enter a “nonlinear” custom grade scale with all grade-break levels (including plus and minus). For a “linear” grade point scale, the b reak point spread is equal as shown in the following table. Note that the point spread for each grade is 2.5.
  • Page 48 [Rcl] [A+] [Rcl] [A] [Rcl] [A–] [Rcl] [B+] Continue until done . . . 4 8 – GradeMatic 4000 A – F p re f e rence to 98.0–100. 95.5– 98.0 9 4 . 0 – 9 5 . 5 91.0–94.0...
  • Page 49 U S T O M P l u s P l u s R A D E W h o l e W h o l e C A L E M i n u s M i n u s U s e r ’s Guide –...

  • Page 50: Key Definitions

    Power Off: Turns power off and clears all non–permanent memory. Set: Used with other keys to access secondary functions. • – Math Digits: Enters numbers. Math Operators: Used to perform mathematical calculations. ™ 50 – GradeMatic 4000...
  • Page 51 All Clear: Also referred to as a Full Reset. Clears all memory and resets to factory defaults. Recall: Recalls stored values and set- tings. Percent Key: Four-functions. Used in percent calculations. Delta Percent: Calculates the percent difference between two numbers. –...
  • Page 52 Maximum and Minimum Points . Min Pts Minimum Points: Used when chang- ing or viewing minimum points. If maximum points are changed,you can let the GradeMatic 4000 auto- matically compute the minimum points. For more information on min- Working with imum points refer to Maximum and Minimum Points .
  • Page 53 Average: Finds a student’s grade aver- age, adds it to the overall class aver- age and prepares the calculator for a new grade set entry. Class Avg Class Average: Calculates the class average. To clear a class average, [Set] [Avg] [Avg] press .
  • Page 54 Timer: Displays, starts and stops the timer. If a value is entered prior to starting the timer, the timer counts down from the time entered. +/– – Change Sign: Toggles the sign of the displayed value. 54 – GradeMatic 4000™...
  • Page 55 Square Root: Finds square root of the displayed number. Shortcuts to Setting Grade Format Points GPA 4.0 GPA 5.0 GPA 12.0 Grade Percent True Percent — • User’s Guide – 55...
  • Page 56 O T E S ™ 5 6 – GradeMatic 4000...
  • Page 57 O T E S U s e r ’s Guide – 5 7...
  • Page 58 O T E S ™ 5 8 – GradeMatic 4000...

  • Page 59: Warranty

    A R R A N T Y Calculated Industries, Inc. (“CII”) war- rants this product against defects in materials and workmanship for a peri- od of one (1) year from the date of original consumer purchase in the U.S. If a defect exists during the warranty...

  • Page 60: Gradematic

    CII to obtain current product re p a i r i n f o rmation and charges, including f reight and duties. 6 0 – GradeMatic 4000 E PA I R E RV I C E — O U T S I D E T H E ™...
  • Page 61 I S C L A I M E R M A K E S N O WA R R A N T Y O R R E P R E S E N TAT I O N E I T H E R E X P R E S S O R I M P L I E D ’...
  • Page 62 . If you have one, or if you have any suggestions for improvements to this p roduct or its User’s Guide, please call or write our Product Development Department. Thank you. 6 2 – GradeMatic 4000 ™...
  • Page 63 How To Reach CII Headquarters MAY-6 97 Mail Calculated Industries, Inc. 4840 Hytech Drive Carson City, NV 89706 USA Phone 775/885–4975 775/885–4949 Email techsup@calculated.com World Wide Web http://www.calculated.com User’s Guide – 63...
  • Page 64 ® Calculated Industries is a registered trademark and GradeMatic 4000™ is a trademark of Calculated Industries, Inc. IGHTS ESERVED Designed in the United States of America © by Calculated Industries, Inc. 1998, Calculated Industries, Inc. U.S. Patent Numbers: 4,715,011 and 5,233,552 U.S.

Table of Contents