Transcendental functions are named for their inability to be expressed through basic mathematical operations like addition or multiplication, which are foundational to algebra. The term "transcend" indicates that these functions go beyond algebra, which traditionally focuses on polynomials and their roots. Unlike algebraic numbers, which are roots of polynomials, transcendental functions are typically represented as infinite series. This distinction highlights the difference between algebra, dealing with finite operations, and analysis, which involves infinite processes. Understanding this classification is crucial for grasping the broader scope of mathematical functions.