10 REM "Calculate Factorial and Stirlings function" | |
20 REM "" | |
100 REM "Factorial" | |
110 L=20 | |
120 DIM F(L) | |
130 F(1)=1 | |
140 FOR I=2 TO L | |
150 F(I)=F(I-1)*I | |
160 NEXT | |
200 REM "Stirling" | |
210 P1=4*ATAN(1) | |
220 DEF FNS(N)=SQR(2*P1*N)*EXP(N*(LOG(N)-1)) | |
300 REM "Print table" | |
305 PRINT "N";: TAB(4) | |
310 PRINT "FACT(N)";: TAB(6) | |
315 PRINT "STIR(N)";: TAB(6) | |
320 PRINT "Accuracy (%)" | |
330 FOR I=1 TO L | |
340 PRINT #4, I, #12, F(I), FNS(I), (F(I)-FNS(I))/F(I)*100 | |
350 NEXT | |
400 END | |