If the display of your Casio pocket calculator is not showing any numbers or is showing distorted characters, it is likely that the display is broken. You can try replacing the batteries to see if that resolves the issue, but if the problem persists, it may be necessary to have the display repaired or replaced by a professional. If the calculator is still under warranty, you may be able to have it repaired or replaced by the manufacturer. **

Yes, the Casio GTR FX CG 20 is a model of calculator manufactured by Casio. It is a graphing calculator that is designed for use in mathematics and science education. The Casio GTR FX CG 20 is equipped with a high-resolution color display and a wide range of functions to support various mathematical calculations and graphing tasks. **

Yes, some Casio watches are waterproof. Casio offers a range of water-resistant watches designed for various levels of water exposure, from light splashes to swimming and diving. It is important to check the specific model's water resistance rating to ensure it meets your needs for water activities. Always follow the manufacturer's guidelines for water exposure to prevent damage to the watch. **

To change the fraction display on a Casio calculator, you can press the "SD" (Standard) key to switch between fraction and decimal display modes. When in fraction display mode, fractions will be shown in their simplified form. You can also use the "a b/c" key to toggle between mixed number and improper fraction display modes. Additionally, some Casio calculators may have a dedicated fraction key that allows you to input fractions directly. **

To change the display format on a Casio calculator, you can typically press the "Mode" button to access the different display options. From there, you can navigate through the menu to select the desired display format, such as fixing the number of decimal places or changing between fraction and decimal display. Once you have selected the desired display format, you can exit the menu to apply the changes to the calculator's display. **

The Casio calculator displays 000000 for very small numbers because it uses scientific notation to represent these numbers. In scientific notation, very small numbers are represented as a decimal followed by a series of zeros and then the significant digits. For example, 0.000001 would be displayed as 1.00000-6 on the calculator, where the 1.00000 represents the significant digits and the -6 represents the exponent of 10. This allows the calculator to efficiently display and work with very small numbers without having to display a long string of zeros. **

Yes, it is possible to repair the display of the Casio FX CG50. If the display is cracked or damaged, you may need to contact Casio customer support or a certified repair center to have it fixed. Depending on the extent of the damage, they may be able to replace the display or repair it. It is important to seek professional help to ensure the repair is done correctly and safely. **

To change the display format on a Casio pocket calculator, you can typically press the "Mode" button to access the different display options. From there, you can navigate through the menu to select the desired format, such as changing between standard, scientific, or engineering notation. Once you have selected the desired display format, you can exit the menu and the calculator will display numbers in the chosen format. Refer to the user manual for specific instructions on changing the display format on your particular Casio pocket calculator model. **