The following calculator evaluates the value of the function best(α,c,β) as define in:
B. Esmer, A. Kulik, D. Marx, D. Neuen, and R. Sharma, ``Optimally Repurposing Existing Algorithms to Obtain Exponential-Time Approximations", ACM-SIAM Symposium on Discrete Algorithms (SODA), 2024 (ArXiv version).