fx-7400G PLUS E User’s Guide fx-7400G PLUS User’s Guide CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan E SA0212-A Printed in China fx-7400G PLUS (English) Cover Black RCA500487-1 http://world.casio.
GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THE UNIT IN THE U.S.A. (not applicable to other areas). Program Mode Command List NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
BEFORE USING THE CALCULATOR FOR THE FIRST TIME ONLY... This calculator does not contain any main batteries when you purchase it. Be sure to perform the following procedure to load batteries, reset the calculator, and adjust the contrast before trying to use the calculator for the first time. 1. Making sure that you do not accidently press the o key, attach the case to the calculator and then turn the calculator over. Remove the back cover from the unit by pulling with your finger at the point marked ✩. 2.
5. Press m. If the Main Menu shown to the right is not on the display, press the P button on the back of the calculator to perform memory reset. P button f, c, d, e) to select the CONT icon and press w i to display the contrast adjustment screen. 6. Use the cursor keys ( or simply press 7. Press d to make the figure on the screen lighter or e to make them darker. 8. After getting the contrast the way you want it, press ii m to return to the main menu.
Handling Precautions • Your calculator is made up of precision components. Never try to take it apart. • Avoid dropping your calculator and subjecting it to strong impact. • Do not store the calculator or leave it in areas exposed to high temperatures or humidity, or large amounts of dust. When exposed to low temperatures, the calculator may require more time to display results and may even fail to operate. Correct operation will resume once the calculator is brought back to normal temperature.
Be sure to keep physical records of all important data! The large memory capacity of the unit makes it possible to store large amounts of data. You should note, however, that low battery power or incorrect replacement of the batteries that power the unit can cause the data stored in memory to be corrupted or even lost entirely. Stored data can also be affected by strong electrostatic charge or strong impact. In no event shall CASIO Computer Co., Ltd.
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • fx-7400G PLUS •• • • • • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Contents Chapter 1 Getting Acquainted ...................................................... 1 1. 2. 3. 4. Using the Main Menu ............................................................................ 2 Key Table ............................................................................................... 4 Key Markings ........................................................................................ 6 Selecting Modes .............................................................................
Contents 8. Fraction Calculations ......................................................................... 23 (1) Fraction Display and Input ..................................................................... 23 (2) Performing Fraction Calculations ........................................................... 23 (3) Changing the Fraction Simplification Mode ........................................... 25 9. Selecting Value Display Modes .......................................................... 27 10.
Contents 5. Other Graphing Functions ................................................................. 58 Connect Type and Plot Type Graphs (D-Type) ............................................. 58 Trace ............................................................................................................ 59 Scroll ........................................................................................................... 60 Overwrite ....................................................................
Contents Plotting Data ................................................................................................ 97 Plotting a Scatter Diagram........................................................................... 98 Changing Graph Parameters ....................................................................... 98 1. Graph draw/non-draw status (SELECT) .................................................. 98 2. General graph settings (SET) ..........................................................
Contents Chapter 8 Programming ........................................................... 125 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Before Programming ........................................................................ 126 Programming Examples ................................................................... 127 Debugging a Program ...................................................................... 132 Calculating the Number of Bytes Used by a Program ................... 132 Secret Function ..........
Contents Chapter 10 Program Library ..................................................... 175 1. 2. 3. 4. 5. Prime Factor Analysis ...................................................................... 176 Greatest Common Measure ............................................................. 178 t -Test Value ....................................................................................... 180 Circle and Tangents ..........................................................................
Contents xii