Casio fx-CG50 Setting-up Manual

4 Key Layout and Markings 5 Switching On 6 Status Bar 8 Memory Reset 9 If results don’t display as you expect … 10 Changing Hardware Settings 12 Downloading Add-In Applications 2

3 • To remove the front cover Before using the calculator, remove the front cover and attach it to the back. • To attach the front cover When you are not using the calculator, attach the front cover to the front.

Many of the calculator’s keys are used to perform more than one function. The functions marked on the keyboard are colour-coded. 4

 The calculator will show the Main Menu unless it has been switched off whilst in one of the menu options.  If the Main Menu does not appear, press p.  Your menu may not have all of the icons below – please see “Downloading Add-In Applications” at the end.  For instructions on how to use each menu, please see the Getting Started guide. 5

It is always displayed at the top of the screen. 6 This icon: Indicates this: The current battery level. The icons indicated (from left to right): Level 3, Level 2, Level 1, Dead. Calculation in progress. SHIFT key was pressed and the calculator is standing by for the next key operation ALPHA key was pressed and the calculator is standing by for the next key operation. The A icon indicates the lower-case input (eActivity and Program modes only). Alpha Lock is in effect. SHIFT 8 (CLIP) was pressed and the calculator is standing by for range specification.

The calculator can be set for a variety of mathematical defaults. For more information on setup, please see the Getting Started guide. 7 This icon: Indicates this: Setup “Input/Output” setting. Setup “Angle” setting. Setup “Display” setting. Setup “Frac Result” setting. Setup “Complex Mode” setting.

2. Scroll down to menu option G System. 3. Press l (bottom right hand corner). 4. System Manager menu appears – press y for RESET. 5. Then press w for MAIN (memory). This deletes everything you have entered but not saved. 6. Message asks “Reset OK? Main Memory”. Press q for Yes. 7. Message says “Reset! Main Memory”. Press d twice then p to return to the Main Menu. Memory Reset 8

If you keep having problems when you are trying to perform operations, try the following before assuming that there is something wrong with the calculator. 9 Returning the calculator to its original settings 1. From the Main Menu, choose G System. 2. Press y for RESET. 3. Press q for SETUP, and then press q (YES). 4. Press dp to return to the main menu. Now enter your chosen menu and perform the calculation again. You may need to change some of the SETUP settings. Please see “Status Bar – Setup”.

 From the Main Menu, scroll down to menu option G System.  Press l (bottom right hand corner).  Press q for “Display Settings” which adjusts the Backlight Level – it is best to set it to 4 or 5 – press d to come out of the menu.  Press w for “Power Properties” to adjust Auto Power Off duration and the Backlight Duration – press d to come out of the menu.  Press e for “Language” – English is at the top – press q (SELECT) then d twice to return to the System Manager menu.  Press p to return to the Main Menu. 10

If you change the batteries, the following will appear • Select your language using the up down arrows, then press q (SELECT). • Press u (NEXT). This displays the “Display Settings” screen – press ! to make the screen darker, or $ to make it brighter. • Press u (NEXT). This displays the “Power Properties” screen – Power Off: press the appropriate duration before the calculator turns off – press N – Backlight: press the appropriate duration for backlight to remain on. • Press u (NEXT). This displays the “Battery Settings” screen – press B and N to move the highlighting to the battery type that matches the batteries loaded in the calculator then press q (SELECT) – press q (YES) to change the setting or u (NO) to cancel and return to “Battery Settings”. • Press u (FINISH) to complete the setting procedure and display the Main Menu. 11

Main Menu items after option G System are Add-In applications.  You can download all Add-In applications from http://edu.casio.com/ – follow the links HANDHELD UPDATE/GRAPHING MODELS – accept the Licence Agreement – choose fx-CG50 SERIES/ADD-IN SOFTWARE.  Available applications are – Geometry – Picture Plot – 3D Graph – Conversion – Physium – Probability Simulation.  Download the installation guide for full instructions.  If you delete any Add-Ins they can re-downloaded from the same site. 12