Invention Grant
- Patent Title: Calculation apparatus and storage medium in which calculation program is stored
- Patent Title (中): 存储计算程序的计算装置和存储介质
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Application No.: US11729651Application Date: 2007-03-29
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Publication No.: US07941473B2Publication Date: 2011-05-10
- Inventor: Hisashi Ito
- Applicant: Hisashi Ito
- Applicant Address: JP Tokyo
- Assignee: Casio Computer Co., Ltd.
- Current Assignee: Casio Computer Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2006-098331 20060331
- Main IPC: G06F11/10
- IPC: G06F11/10
Abstract:
In a graphing calculator, a decimal calculation unit obtains a calculation result of an arithmetic expression input by an input device to an n-th digit and an (n+m)-th digit. When the values from the most significant digit to an (n+1)-th digit in the (n+m)-digit calculation result are zero, with respect to an addition or subtraction, the CPU corrects an n-digit calculation result of the addition or subtraction to zero.
Public/Granted literature
- US20070233771A1 Calculation apparatus and storage medium in which calculation program is stored Public/Granted day:2007-10-04
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