RosettaCodeData/Task/Floyds-triangle/Applesoft-BASIC/floyds-triangle.basic

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100 :
110 REM FLOYD'S TRIANGLE
120 :
130 DEF FN Q(A) = INT ( LOG (A) / LOG (10)) + 1
140 N = 14
150 DIM P(N): P(0) = - 1: FOR J = 1 TO N: I = (N * N - N) / 2 + J
160 P(J) = P(J - 1) + FN Q(I) + 1: NEXT J
200 FOR R = 1 TO N: FOR C = 1 TO R
210 NR = NR + 1:COL = P(C) - ( FN Q(NR) - 1)
220 HTAB COL: PRINT NR;: NEXT C
230 PRINT : NEXT R