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| chexnut | This is my Project Euler #1 solution in elisp:
```
(defun euler-sum-div (n p)
(/ (* n
(/ p n)
(+ (/ p n) 1))
2))
(defun euler-1 ()
(let ((limit 999))
(- (+ (euler-sum-div 3 limit)
(euler-sum-div 5 limit))
(euler-sum-div 15 limit))))
(euler-1)
```
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| 11 Jan 2021 |
 Mrtn Dk | In reply to @david:pflug.email
(define inc (lambda (x) (1+ x))), then you can (inc 5) to get 6. That's just the same as the short hand:
(define (inc x) (1+ x)) I guess. | 00:42:41 |
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 Bi | If you are into lisps and music, you' ll want to see the check the First OpusModus Convention (streaming now) https://www.youtube.com/watch?v=7oQEJahvkRg | 19:11:45 |
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| 12 Jan 2021 |
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| Bi | OpusModus Convention, second day https://www.youtube.com/watch?v=2wqU8Ki622M | 17:04:40 |
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