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272 pages • first pub 1960 (view editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachte...
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272 pages • first pub 1960 (view editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachte...
Community Reviews
Content Warnings