10 REM : SAVE "@0:CALC-BYT5/85-BAS",8
20 REM
30 REM
40 S=TIME
50 N=5000 : REM TIMES IN LOOP
60 A=2.71828
70 B=3.14159266
80 C=1
90 FOR T =1 TO N
100 C=C*A
110 C=C*B
120 C=C/A
130 C=C/B
140 NEXT
150 E=TIME
160 PRINT "DONE
170 [153] "ERROR = ";C[171]1
180 [153] "TIME = ";(E[171]S)[173]60