Starting with Spivak's calculus without prior exposure to foundational texts like "Calculus Made Easy" or "The Calculus Lifesaver" can be challenging, particularly depending on one's mathematical background. Those with a solid foundation in basic mathematics, such as Lang's "Basic Mathematics," may find Spivak manageable, though it requires significant time and effort, as it can be dense and complex. For those with limited time, Lang's "First Course in Calculus" is recommended as a more accessible alternative that still prepares students for Spivak. Ultimately, if Spivak proves too difficult, transitioning to a simpler text is advisable. Historical context indicates that even top students have faced challenges with advanced calculus without adequate preparatory materials.
