Title:
演算装置およびデータベース
Document Type and Number:
Japanese Patent JP5787693
Kind Code:
B2
Abstract:
An arithmetic device includes a database that stores a first indicator representing a base unit included in a unit system being assigned with a prime number other than a prime factor of a prefix, and a second indicator derived by combining the base units, in a form of a simple fraction; a conversion section that obtains a plurality of physical quantities each including a quantity, a prefix, and possibly a unit, to derive a third indicator by converting the unit into the first indicator and multiplying the converted first indicator by the prefix, or when the unit belongs to the derived unit, by converting the unit into the second indicator and multiplying the converted second indicator by the prefix; and an arithmetic section that performs calculation between the quantities of the plurality of physical quantities and between the third indicators.
Inventors:
Hiro Murayama
Akira Hosokawa
Orchid king
Akira Hosokawa
Orchid king
Application Number:
JP2011209988A
Publication Date:
September 30, 2015
Filing Date:
September 26, 2011
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G06F5/00
Domestic Patent References:
| JP2000322406A |
Foreign References:
| US7500111 |
Attorney, Agent or Firm:
Takumi Hara