Fundamentals of Programming
Human Computer Interaction

Variables and Data Types

1. Simple Addition (Numbers)

Enter two numbers to add them using Numeric variables.

Output:
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2. Profile Builder (Strings & Numbers)

Combine different variable types (String & Number) into one output.

Output:
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3. Boolean Flipper

Click to flip a Boolean variable between True and False.

A Boolean stores either true or false.

Output:
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4. Data Type Checker

Type something and JavaScript will guess the data type.

Output:
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5. Temperature Converter (Float)

Convert decimal variables (floats) from Celsius to Fahrenheit.

Output:
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