Pyramid Number Calculator
Enter numbers, letters, or a combination of both. Spaces and punctuation are ignored. Letters are converted using the numerology chart shown below.
Letter values: A/J/S = 1, B/K/T = 2, C/L/U = 3, D/M/V = 4, E/N/W = 5, F/O/X = 6, G/P/Y = 7, H/Q/Z = 8, I/R = 9. Bottom-pyramid subtraction uses the absolute difference, so results never fall below zero.
