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My Simple Calculator Using OOP in C++

My Simple Calculator Using OOP in C++

 A simple calculator program that I wrote using object-oriented programming using C++ programming language.

Program Listing

#include <iostream>

class Calculator {

public:

    double add(double a, double b) {

        return a + b;

    }

    double subtract(double a, double b) {

        return a - b;

    }

    double multiply(double a, double b) {

        return a * b;

    }

    double divide(double a, double b) {

        if (b != 0) {

            return a / b;

        } else {

            std::cout << "Error: Division by zero is not allowed." << std::endl;

            return 0.0;

        }

    }

};

int main() {

    double num1, num2;

    char operation;

    std::cout << "\tMy Simple Calculator Using OOP in  C++\n\n";

    std::cout << "\tEnter two numbers: ";

    std::cin >> num1 >> num2;

    std::cout << "\tEnter select an operator (+, -, *, /): ";

    std::cin >> operation;

    Calculator calc;

    double result;

    switch (operation) {

        case '+':

            result = calc.add(num1, num2);

            break;

        case '-':

            result = calc.subtract(num1, num2);

            break;

        case '*':

            result = calc.multiply(num1, num2);

            break;

        case '/':

            result = calc.divide(num1, num2);

            break;

        default:

            std::cout << "I\tnvalid operator." << std::endl;

            return 1;

    }

    std::cout << "\n\tThe Result is " << result << "." <<std::endl;

    std::cout << "\n\n\tEnd of Program\n";

    return 0;

}

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How To Take Care of Laptops Battery?

How To Take Care of Laptops Battery?

 

How To Take Care of Laptops Battery?

 

Taking care of your laptop's battery can help prolong its lifespan and maintain its performance. Here are some tips to help you do that:

 

1. **Avoid Extreme Temperatures**: High temperatures can degrade battery life. Try to keep your laptop in a cool, dry environment and avoid leaving it in places exposed to direct sunlight or extreme heat.

 

2. **Regular Use**: It's good to use your laptop regularly. If you're not going to be using it for an extended period, consider storing it with around 50% battery charge in a cool place.

 

3. **Proper Charging**: Lithium-ion batteries, which are commonly used in laptops, don't have a "memory effect," so it's okay to charge them even if they're not fully discharged. However, it's still a good idea to let the battery drain occasionally to calibrate the battery gauge.

 

4. **Avoid Overcharging**: Once your laptop is fully charged, unplug it from the charger. Leaving it plugged in for extended periods can lead to overcharging, which can degrade battery life over time.

 

5. **Use Battery Saver Mode**: Many laptops have a battery saver mode that can help optimize power settings to extend battery life. Enable this mode when you're using your laptop on battery power.

 

6. **Limit Background Processes**: Running too many programs or background processes can drain your battery faster. Close unnecessary applications and disable any background processes that you don't need.

 

7. **Reduce Screen Brightness**: Lowering the brightness of your laptop's screen can significantly reduce power consumption and extend battery life.

 

8. **Manage Power Settings**: Adjust your laptop's power settings to optimize battery life. You can do this through the control panel or settings menu, where you can adjust options such as sleep settings and screen timeout.

 

9. **Keep it Clean**: Dust and debris can accumulate in your laptop's vents and fans, causing it to overheat and putting extra strain on the battery. Regularly clean the vents and fans to ensure proper airflow and cooling.

 

10. **Update Software Regularly**: Keeping your laptop's operating system and drivers up to date can help optimize performance and battery efficiency.

 

By following these tips, you can help prolong the lifespan of your laptop's battery and maintain its performance over time.

 

Importance of Eating Chicken

 

 

Importance of Eating Chicken

 

Eating chicken can offer several health benefits when consumed as part of a balanced diet:

 

1. **Rich in Protein**: Chicken is an excellent source of high-quality protein, which is essential for building and repairing tissues, maintaining muscle mass, and supporting overall growth and development.

 

2. **Nutrient Dense**: Chicken contains essential vitamins and minerals such as B vitamins (niacin, B6, B12), which are important for energy metabolism, as well as minerals like phosphorus and selenium that support bone health and immune function.

 

3. **Weight Management**: Chicken is relatively low in calories and fat compared to some other protein sources like red meat, making it a suitable option for those looking to manage their weight or reduce overall fat intake.

 

4. **Heart Health**: Lean cuts of chicken, particularly skinless chicken breast, are low in saturated fat and cholesterol. Including chicken in your diet as part of a heart-healthy eating plan can help reduce the risk of cardiovascular disease.

 

5. **Blood Pressure Regulation**: Chicken contains potassium, which is important for regulating blood pressure and maintaining fluid balance in the body.

 

6. **Supports Muscle Health**: Chicken is rich in amino acids, including leucine, which is important for muscle protein synthesis. Consuming chicken after exercise can aid in muscle recovery and growth.

 

7. **Versatile and Delicious**: Chicken can be prepared in various ways, making it a versatile ingredient in a wide range of cuisines and dishes. From grilled and baked to stir-fried and roasted, there are countless ways to enjoy chicken while still reaping its nutritional benefits.

 

8. **Boosts Metabolism**: The protein content in chicken requires more energy to digest compared to fats or carbohydrates, which can help boost metabolism and promote calorie burning.

 

9. **Improves Mood**: Chicken contains tryptophan, an amino acid that is a precursor to serotonin, a neurotransmitter that regulates mood. Including chicken in your diet may help promote feelings of well-being and happiness.

 

10. **Supports Healthy Skin**: Chicken is a good source of zinc and vitamin B6, both of which are important for maintaining healthy skin by supporting collagen production and regulating sebum production.

 

It's important to note that the health benefits of chicken can vary depending on how it's prepared and consumed. Opting for lean cuts, removing the skin, and using healthier cooking methods like grilling, baking, or steaming can maximize its nutritional value. Additionally, incorporating a variety of other nutritious foods alongside chicken will contribute to a well-rounded and balanced diet.

What is Alternating Current?

What is Alternating Current?

 

What is Alternating Current?

 

Alternating current (AC) is an electric current that periodically reverses direction. In an AC circuit, the flow of electric charge periodically changes direction, typically in a sinusoidal waveform. This means that the voltage and current alternate between positive and negative polarities over time.

 

AC is the type of electricity commonly used in residential and commercial buildings, as well as in most electrical power generation and transmission systems. It's favored for its ability to efficiently transmit power over long distances using transformers, and it can be easily converted to different voltage levels using transformers, making it suitable for a wide range of applications.

 

The frequency of the alternation, measured in hertz (Hz), determines how quickly the current changes direction. In many regions, the standard frequency of AC power is 50 or 60 Hz.

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What is Intranet?

What is Intranet?

 

What is Intranet?

An intranet is a private network that is restricted to an organization and its employees. It is typically used for internal communication, collaboration, and sharing of information/resources within the organization. Intranets are often built using standard internet technologies such as TCP/IP, HTTP, and web browsers, but they are accessible only to authorized users within the organization. Intranets can include various features such as file sharing, document management, employee directories, email, discussion forums, wikis, and other collaborative tools tailored to the specific needs of the organization. They serve as a centralized platform for employees to access company resources, communicate with colleagues, and stay updated on company news and policies.

Visiting Bantayan Boulevard Bago City, Negros Occidental

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Benefits of Eating Fruits

 

Benefits of Eating Fruits

 

Eating fruits offers a multitude of health benefits due to their rich nutritional content. Here are some of the key benefits:

 

1. **Rich in Vitamins and Minerals**: Fruits are packed with essential vitamins and minerals such as vitamin C, potassium, folate, and antioxidants, which are vital for maintaining overall health and preventing various diseases.

 

2. **High in Fiber**: Many fruits are high in dietary fiber, which aids digestion, prevents constipation, and helps maintain a healthy weight by promoting feelings of fullness.

 

3. **Hydration**: Fruits like watermelon, oranges, and strawberries have high water content, helping to keep you hydrated and support various bodily functions.

 

4. **Weight Management**: Due to their low calorie and high fiber content, fruits can be beneficial for weight management by satisfying hunger and reducing overall calorie intake.

 

5. **Heart Health**: The antioxidants and potassium found in fruits are linked to a reduced risk of heart disease by lowering blood pressure, improving cholesterol levels, and reducing inflammation.

 

6. **Improved Digestive Health**: The fiber in fruits supports digestive health by promoting regular bowel movements and preventing digestive disorders like diverticulosis and hemorrhoids.

 

7. **Boosted Immunity**: The vitamins, minerals, and antioxidants in fruits help strengthen the immune system, making your body more resilient to infections and illnesses.

 

8. **Healthy Skin**: Fruits contain compounds like vitamin C and antioxidants that promote healthy skin by combating free radicals, reducing signs of aging, and supporting collagen production.

 

9. **Disease Prevention**: Regular consumption of fruits is associated with a reduced risk of chronic diseases such as cancer, diabetes, and obesity, thanks to their abundance of beneficial nutrients and antioxidants.

 

10. **Improved Mood and Mental Health**: Some fruits contain compounds that may positively affect mood and mental health. For example, bananas contain tryptophan, which can help regulate mood, and berries contain flavonoids that may enhance cognitive function.

 

Incorporating a variety of fruits into your diet can contribute to overall health and well-being, providing essential nutrients and supporting various bodily functions.

TUPV TECHNOLOGY CONVENTION 2024

What are Passive Components in Electronics?

 

What are Passive Components in Electronics?

Passive components in electronics are basic electronic components that do not require a power source to operate. They are fundamental building blocks in electronic circuits and perform various functions such as storing energy, filtering signals, controlling voltage and current, and providing impedance to the circuit. The main types of passive components include:

 

1. **Resistors**: Resistors are used to resist the flow of electric current in a circuit. They are commonly used to control the amount of current flowing in a particular part of the circuit or to provide specific voltage levels.

 

2. **Capacitors**: Capacitors store electrical energy in an electric field. They are used in circuits for energy storage, power conditioning, noise filtering, and signal coupling.

 

3. **Inductors**: Inductors store energy in a magnetic field when current flows through them. They are used in circuits to control the flow of current, filter signals, and store energy temporarily.

 

4. **Transformers**: Transformers consist of two or more coils of wire that are used to transfer electrical energy between circuits through electromagnetic induction. They are commonly used to step up or step down voltage levels in power supply circuits.

 

5. **Diodes**: Diodes allow current to flow in one direction while blocking it in the opposite direction. They are used in rectification, signal demodulation, voltage regulation, and protection circuits.

 

6. **Transducers**: Transducers convert one form of energy into another form. For example, piezoelectric transducers convert mechanical energy into electrical energy and vice versa.

 

7. **Switches**: Switches are used to control the flow of current in a circuit by making or breaking electrical connections. They are essential for controlling the operation of electronic devices.

 

These passive components are indispensable in electronic circuits and are used in various applications across industries ranging from consumer electronics to telecommunications to automotive systems.