JPH02111848U - - Google Patents
Info
- Publication number
- JPH02111848U JPH02111848U JP2064989U JP2064989U JPH02111848U JP H02111848 U JPH02111848 U JP H02111848U JP 2064989 U JP2064989 U JP 2064989U JP 2064989 U JP2064989 U JP 2064989U JP H02111848 U JPH02111848 U JP H02111848U
- Authority
- JP
- Japan
- Prior art keywords
- digits
- double
- length
- display
- arithmetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Calculators And Similar Devices (AREA)
Description
図面はこの考案の一実施例を示すもので、第1
図は回路構成をを示すブロツク図、第2図は演算
レジスタ部の内部構成を示す図、第3図はキー操
作に応じた表示状態を示す図、第4図および第5
図は夫々動作を示すフローチヤートである。
1…キー入力部、1a…数値キー、1b…演算
子キー、1c…右シフトキー、2…制御部、3…
演算レジスタ部、4…演算部、5…表示制御部、
5a…表示レジスタ、6…表示部。
The drawing shows one embodiment of this invention.
Figure 2 is a block diagram showing the circuit configuration, Figure 2 is a diagram showing the internal configuration of the calculation register section, Figure 3 is a diagram showing the display state according to key operations, and Figures 4 and 5 are diagrams showing the internal configuration of the arithmetic register section.
The figures are flowcharts showing the respective operations. DESCRIPTION OF SYMBOLS 1...Key input part, 1a...Numeric key, 1b...Operator key, 1c...Right shift key, 2...Control unit, 3...
Arithmetic register section, 4... Arithmetic section, 5... Display control section,
5a...Display register, 6...Display section.
Claims (1)
て、 最大表示桁数(N桁)で演算を実行したとき、
演算結果の桁数が上記最大表示桁数を越えたか否
かを判断する判断手段と、 この判断手段が上記演算結果の桁数が上記最大
表示桁数を越えたと判断したとき倍長演算(2N
桁演算)を実行する演算手段と、 この演算手段により上記倍長演算を実行した場
合、他の機能を指示する特定キーの操作に応じて
上記倍長演算による下位桁部の演算結果を表示さ
せる表示制御手段と を具備したことを特徴とする倍長演算装置。[Scope of Claim for Utility Model Registration] When a computation is performed with the maximum number of display digits (N digits) on a small electronic calculator with double precision arithmetic function,
a judgment means for judging whether the number of digits of the operation result exceeds the maximum display number of digits; and when this judgment means judges that the number of digits of the operation result exceeds the maximum display number of digits, double-length operation (2N
an arithmetic means for performing a digit operation), and when the above-mentioned double-length operation is executed by this operation means, the operation result of the lower digit part of the above-mentioned double-length operation is displayed in response to the operation of a specific key that instructs another function. A double-length arithmetic device comprising: a display control means;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2064989U JPH02111848U (en) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2064989U JPH02111848U (en) | 1989-02-23 | 1989-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02111848U true JPH02111848U (en) | 1990-09-06 |
Family
ID=31237197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2064989U Pending JPH02111848U (en) | 1989-02-23 | 1989-02-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02111848U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004095405A1 (en) * | 2003-04-23 | 2004-11-04 | Kabushiki Kaisha Yaskawa Denki | Numeric value display method |
-
1989
- 1989-02-23 JP JP2064989U patent/JPH02111848U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004095405A1 (en) * | 2003-04-23 | 2004-11-04 | Kabushiki Kaisha Yaskawa Denki | Numeric value display method |
US7801938B2 (en) | 2003-04-23 | 2010-09-21 | Kabushiki Kaisha Yaskawa Denki | Numeric value display method |
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