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· 제목 : 암(速)산의 명수 (The Book of How to Become a Lightning Calculator,by Anonymous)
· 분류 : eBook > 과학 > 수학 > 쉽게 배우는 수학
· ISBN : 9791191339895
· 출판일 : 2021-04-15
· 분류 : eBook > 과학 > 수학 > 쉽게 배우는 수학
· ISBN : 9791191339895
· 출판일 : 2021-04-15
목차
암(速)산의 명수. The Book of How to Become a Lightning Calculator,by Anonymous
CONTENTS
Instantaneous Addition.
How to Add Two Columns at Once.
Multiplication.
Accurate Interest.
Equation of Payments.
The Lightning Calculator’s Addition.
Bank Discount.
How to Make Change.
Proof of Multiplication in Ten Seconds.
The Canadian Interest Rule.
Table of Transposed Numbers.
Short Method to Find the Interest of a Given Sum.
Interest Computations.
