Ledgers as computational formula

Browse Source

Ledgers were the primary computational forms for economic, statistical
and financial reckoning until well into the 1970s.

...

This commit is contained in:

Robin Boast 2015-03-04 19:33:15 +01:00

parent 171d96db63

commit 5114955252

3 changed files with 0 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN

13 column ledger paper.jpg Normal file

Binary file not shown.

Side by Side After Width:  |  Height:  |  Size: 231 KiB

BIN

ledger of slave picked cotton_1840-1860.jpg Normal file

Binary file not shown.

Side by Side After Width:  |  Height:  |  Size: 2.3 MiB

BIN

ledgers.jpg Normal file

Binary file not shown.

Side by Side After Width:  |  Height:  |  Size: 391 KiB