E Hardware IO fx-CG10 fx-CG20 C AS User’s Guide CASIO Worldwide Education Website http://edu.casio.com CASIO EDUCATIONAL FORUM http://edu.casio.
GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THE UNIT IN THE U.S.A. (not applicable to other areas). 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.
Contents Attaching and Removing the Front Cover ................................................. E-2 Before Using the Calculator for the First Time... ...................................... E-3 Precautions when Using this Calculator .................................................... E-5 Handling Precautions................................................................................... E-6 Key Layout ....................................................................................................
Attaching and Removing the Front Cover S To remove the front cover IO Before using the calculator, remove the front cover and attach it to the back. S To attach the front cover AS When you are not using the calculator, attach the front cover to the front. Important! C Always attach the front cover to the calculator whenever you are not using it. Otherwise, accidental operation of the M key can cause the power to turn on and run down the batteries.
Before Using the Calculator for the First Time... Batteries are not loaded in your calculator at the factory. Be sure to follow the procedure below to load batteries and adjust the display brightness before trying to use the calculator for the first time. 1. Making sure that you do not accidentally press the M key, attach the front cover to the front of the calculator and then turn the calculator over. Remove the battery cover from the calculator by pulling with your finger at the point marked . IO 1 2.
. Press (Next). This displays the Display Settings screen. 7. Press B to make the screen darker, or C to make it brighter. • (INITIAL) returns display brightness to its initial default. IO 8. Press (Next). This displays the Power Properties screen. 9. Specify the auto power off trigger time. • Press (10Min) to specify 10 minutes or (60Min) to specify 60 minutes. AS 10. Press (Next). This displays the Battery Settings screen. 11.
Precautions when Using this Calculator A progress bar and/or a busy indicator appear on the display whenever the calculator is performing a calculation, writing to memory, or reading from memory. Busy indicator Progress bar IO Never press the RESTART button or remove the batteries from the calculator when the progress bar or busy indicator is on the display. Doing so can cause memory contents to be lost and can cause malfunction of the calculator.
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.
C AS IO Key Layout E-7
Display Brightness and Battery Life I Display Brightness You can select a display brightness value in the range of 1 (least bright) to 5 (brightest). The initial factory default brightness setting is 3. The brightness level will change to 1 (least bright) automatically if you do not perform any operation on the calculator for about 30 seconds. Performing an operation will return display brightness to the level specified by the current setting value.
Specifications Variables: 28 Calculation range: p1 × 10–99 to p9.999999999 × 1099 and 0. Internal operations use 15-digit mantissa. Exponential display range: Norm 1: 10–2 > |x|, |x| 1010 Norm 2: 10–9 > |x|, |x| 1010 Program capacity: 61,440 bytes (max.) Storage memory capacity: 16MB (max.) Power consumption: 0.
Auto power off: Power is automatically turned off approximately 10 minutes or 60 minutes after last operation. Ambient temperature range: 0°C to 40°C (32°F to 104°F) Dimensions: 20.6mm (H) s 89.5mm (W) s 188.5mm (D) 3 4 / " (H) s 3 1/2" (W) s 7 3/8" (D) Approximate weight: 230 g (8.
Restart and Reset S Restart Should the calculator start to act abnormally, you can restart it by pressing the RESTART button. Note, however, that you should only use the RESTART button only as a last resort. Normally, pressing the RESTART button reboots the calculator’s operating system, so programs, graph functions and other data in calculator memory is retained.
Power Supply This calculator is powered by four AAA-size alkaline batteries LR03 (AM4), or four nickel-metal hydride batteries. An icon in the upper left corner of the screen indicates the current battery level. Battery level icon Level 3 Level 2 Level 1 Dead IO If the following message appears on the display, immediately turn off the calculator and replace the batteries as instructed. AS If you try to continue using the calculator, it will automatically turn off in order to protect memory contents.
• Never mix batteries of different types. • Never mix old batteries and new ones. • Never leave dead batteries in the battery compartment. • Remove the batteries if you do not plan to use the calculator for long periods. • Never try to recharge the batteries supplied with the calculator. • Do not expose batteries to direct heat, let them become shorted, or try to take them apart. • For details about how to use batteries, see the user documentation that comes with the batteries.
S To replace the batteries Important! • Never turn on the calculator while the batteries are removed or not loaded correctly. Doing so can cause memory data to be deleted and malfunction of the calculator. If mishandling of batteries causes such problems, correctly load batteries and then perform the restart operation to resume normal operation. • Be sure to replace all four batteries with new ones. • After replacing batteries, check to make sure that battery settings are configured correctly. 1.
IO AS Canadian Regulatory Information Information concernant la Réglementation Canadienne C This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Manufacturer: CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan Responsible within the European Union: CASIO EUROPE GmbH Casio-Platz 1 22848 Norderstedt, Germany This mark applies in EU countries only.
IO AS C CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan One or more of the following patents may be used in the product. U.S.Pats.
