Mark Callaghan
Total amount contributed
$165.00 USD
Contributions
Budget
Transparent and open finances.
-$100.00USD
Completed
Contribution #539915
Debit from Mark Callaghan to Open Collective •
-$15.00USD
Completed
Platform tip #539915
Debit from Mark Callaghan to SageMath •
-$50.00USD
Completed
Contribution #91087
↑ Total contributed
$165.00 USD
↓ Total received with expenses
--.-- USD