Percentage sign (%) performs modulo operation and returns remainder. Used to check if number divides evenly by another. Can be used for array indexing with wrap-around behavior. Available in standard library as operator.mod
NumPy requires Python installation as a prerequisite. Anaconda Distribution includes Python, NumPy, and scientific computing packages. NumPy can be installed via conda, pip, package managers, or source
Both lists and arrays store ordered, mutable collections of items. Lists are built-in, arrays require import from NumPy or array module. Lists can contain elements of different data types
Absolute value determines magnitude of objects regardless of direction. Real numbers have only two directions: positive or negative. Absolute value is piecewise function: returns same for positive, flips for negative. Absolute value of vectors equals their length using Euclidean norm
NumPy is Python's fundamental scientific computing package. Provides N-dimensional array object and sophisticated broadcasting functions. Includes tools for C/C++ and Fortran code integration. Offers linear algebra, Fourier transform, and random number capabilities
Course consists of 3 modules totaling approximately 33 hours. Includes 20 videos, 1 reading, 3 assignments, and 4 ungraded labs. Available in audit mode for free content viewing