sema-docs 1.20.4

Canonical structured documentation for Sema builtins/special forms; powers LSP hover/completion and REPL apropos
Documentation 
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---
name: "math/log2"
module: "math"
section: "Exponential & Logarithmic"
---

Base-2 logarithm.

```sema
(math/log2 8)      ; => 3.0
(math/log2 1024)   ; => 10.0
```