Trigonometrical functions.

Squigonometry = the study of imperfect circles / by: (Language materials, printed)

Eigenvalues, embeddings and generalised trigonometric functions by: (Language materials, printed)

Antieigenvalue Analysis = With Applications to Numerical Analysis, Wavelets, Statistics, Quantum Mechanics, Finance and Optimization. by: (Language materials, printed)

Approximations and Expansions.

Trigonometrical functions.

Ordinary Differential Equations.

Mathematics.

Analysis.

Mathematical analysis.

Trigonometry.

Special Functions.

Mathematics Education.

Functions, Special.

Functional Analysis.