Cotsworth's direct calculator containing over 1,000,000 distinct calculations for expediting and ensuring accuracy in multiplication, division, average, percentage, interest, exchange and general calculation by all combinations of numbers from 1 to 1000 ... M. B. Cotsworth
Material type:
TextPublication details: London M. B. Cotsworth 1896Description: 400pSubject(s):
| Item type | Current library | Call number | Status | Date due | Barcode | |
|---|---|---|---|---|---|---|
| Books | Mumbai Written-Off | 519.672/COT (Browse shelf(Opens below)) | 1 Withdrawn | 000722 |
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