Chiara Coetzee:
Abacus at Soda Hall, UC Berkeley
Chiara Coetzee:
Abacus at Soda Hall - with flash
Chiara Coetzee:
Abacus at Soda Hall - without flash
Chiara Coetzee:
Cleared Soda Hall abacus
Chiara Coetzee:
Me adding 123456789 to itself on abacus in right-to-left order - Step 1
Chiara Coetzee:
Me adding 123456789 to itself on abacus in right-to-left order - Step 19
Chiara Coetzee:
Me adding 123456789 to itself on abacus in left-to-right order - Step 1
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 1
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 2
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 3
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 4
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 5
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 6
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 7
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 8
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 9
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 10
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 11
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 12
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 13
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 14
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 15
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 16
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 17
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 18
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 19
Chiara Coetzee:
Adding 123456789 to itself on abacus in left-to-right order - Step 20
Chiara Coetzee:
Subtracting 123456789 from 246913578 in left-to-right order - Step 1
Chiara Coetzee:
Subtracting 123456789 from 246913578 in left-to-right order - Step 2
Chiara Coetzee:
Subtracting 123456789 from 246913578 in left-to-right order - Step 3
