JPS61155963U - - Google Patents
Info
- Publication number
- JPS61155963U JPS61155963U JP3606085U JP3606085U JPS61155963U JP S61155963 U JPS61155963 U JP S61155963U JP 3606085 U JP3606085 U JP 3606085U JP 3606085 U JP3606085 U JP 3606085U JP S61155963 U JPS61155963 U JP S61155963U
- Authority
- JP
- Japan
- Prior art keywords
- register
- display
- key
- keyboard
- contents
- 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 1
Description
図面は本考案による電子式卓上計算機の一実施
例を示すブロツク図である。
１……キーボード、２……ＤＰキー、３……演
算・制御部、４……ＤＰレジスタ、５……表示レ
ジスタ、８……表示制御回路、９……表示管、１
０……ゲート回路。
The drawing is a block diagram showing an embodiment of the electronic desktop calculator according to the present invention. DESCRIPTION OF SYMBOLS 1...Keyboard, 2...DP key, 3...Calculation/control unit, 4...DP register, 5...Display register, 8...Display control circuit, 9...Display tube, 1
0...Gate circuit.
Claims (1)
その演算結果を表示レジスタに置数し、この表示
レジスタの内容を表示制御回路を介して表示管で
表示するようにした電子式卓上計算機において、
前記キーボードに設けられた小数点桁数指定用の
ＤＰキーと、小数点桁数を置数するためのＤＰレ
ジスタと、前記表示レジスタおよびＤＰレジスタ
の出力側に結合され、前記ＤＰキーからのキー信
号によつて前記ＤＰレジスタの内容だけを前記表
示制御回路に出力せしめるゲート回路とを具備し
、前記ＤＰキーの押圧によつて小数点桁数だけを
前記表示管で表示するようにしたことを特徴とす
る電子式卓上計算機。 Calculates and controls data entered from the keyboard,
In an electronic desktop calculator that stores the calculation result in a display register and displays the contents of this display register on a display tube via a display control circuit,
A DP key for specifying the number of decimal point digits provided on the keyboard, a DP register for setting the number of decimal point digits, and a DP key connected to the output side of the display register and the DP register, and a key signal from the DP key. Therefore, the present invention is characterized in that it includes a gate circuit that outputs only the contents of the DP register to the display control circuit, and that only the number of decimal places is displayed on the display tube by pressing the DP key. Electronic desktop calculator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3606085U JPS61155963U (en) | 1985-03-15 | 1985-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3606085U JPS61155963U (en) | 1985-03-15 | 1985-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61155963U true JPS61155963U (en) | 1986-09-27 |
Family
ID=30540905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3606085U Pending JPS61155963U (en) | 1985-03-15 | 1985-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61155963U (en) |
-
1985
- 1985-03-15 JP JP3606085U patent/JPS61155963U/ja active Pending
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