Mentally multiply by π
The Endeavour 2024-08-31
Summary:
This post will give three ways to multiply by π taken from [1]. Simplest approach Here’s a very simple observation about π : π ≈ 3 + 0.14 + 0.0014. So if you need to multiply by π, you need to multiply by 3 and by 14. Once you’ve multiplied by 14 once, you can […]
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