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Mamah Cheney posted an update in the group
The Shawshank Redemption 4 years, 1 month ago A mathematician is a device for turning coffee into theorems. (Paul Erdos)
Mamah Cheney posted an update in the group
The Shawshank Redemption 4 years, 1 month ago
A mathematician is a device for turning coffee into theorems. (Paul Erdos)