(16C) e to 400 decimal places

[Rick314]

See the attached scans of handwritten pages I wrote in 1982 to approximate e (2.71828...) to 400+ decimal places on an HP-16C. It takes about 3.5 hours to run, plus the time to enter the 2 program halves and see the results 8 digits at a time. The results are that the fractional portion of e truncated to 404 digits is:

Code:

71828182 84590452
35360287 47135266
24977572 47093699
95957496 69676277
24076630 35354759
45713821 78525166
42742746 63919320
03059921 81741359
66290435 72900334
29526059 56307381
32328627 94349076
32338298 80753195
25101901 15738341
87930702 15408914
99348841 67509244
76146066 80822648
00168477 41185374
23454424 37107539
07774499 20695517
02761838 60626133
13845830 00752044
93382656 02976067
37113200 70932870
91274437 47047230
69697720 93101416
9283