| C06BAF | Acceleration of convergence of sequence, Shanks' transformation and epsilon algorithm |
| C06DBF | Sum of a Chebyshev series |
| E02AEF | Evaluation of fitted polynomial in one variable from Chebyshev series form (simplified parameter list) |
| E02AHF | Derivative of fitted polynomial in Chebyshev series form |
| E02AJF | Integral of fitted polynomial in Chebyshev series form |
| E02AKF | Evaluation of fitted polynomial in one variable from Chebyshev series form |