toUpperCase
Convert strings to uppercase using a simple form.
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Area of Circle
Calculate the area of a circle given the radius.
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Area of Triangle
Calculate the area of a triangle given the base and height.
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Singly Linked List
A demo that creates a singly linked list, allowing you to insert, delete, and display nodes dynamically.
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Expression Converter
Convert mathematical expressions between infix and postfix using stack operations.
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