# Justin Does SICP

**URL:** https://discuss.criticalfallibilism.com/t/justin-does-sicp/96
**Category:** Friendly
**Tags:** learning, coding
**Created:** [May 15, 2021, 1:34am UTC](https://discuss.criticalfallibilism.com/t/justin-does-sicp/96 "2021-05-15T01:34:56Z")
**Posts on this page:** 1
**Showing post:** 50

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### Author: ![JustinCEO](https://discuss.criticalfallibilism.com/user_avatar/discuss.criticalfallibilism.com/justinceo/32/9_2.png) [@JustinCEO](https://discuss.criticalfallibilism.com/u/JustinCEO)
#### Post date: [May 27, 2021, 3:44pm UTC](https://discuss.criticalfallibilism.com/t/justin-does-sicp/96/50 "2021-05-27T15:44:49Z")

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> [@Max](#):
>
> Exercise 1.13 doesn’t seem _that_ useful as a coding exercise, except insofar as rigorously analyzing the complexity of the `fib` function, via Fib FibFib . That skill seems more relevant for like academics and ppl doing theoretical comp sci.

is it even a coding exercise at all? it seems like they’re asking for more of a math proof

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