JPH0478657U - - Google Patents
Info
- Publication number
- JPH0478657U JPH0478657U JP12102490U JP12102490U JPH0478657U JP H0478657 U JPH0478657 U JP H0478657U JP 12102490 U JP12102490 U JP 12102490U JP 12102490 U JP12102490 U JP 12102490U JP H0478657 U JPH0478657 U JP H0478657U
- Authority
- JP
- Japan
- Prior art keywords
- route
- mathematical formula
- formula input
- input means
- multiplied
- 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 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Calculators And Similar Devices (AREA)
Description
第１図は本考案の一実施例に係わる小型電子式
計算機の電子回路の構成を示すブロツク図、第２
図は上記小型電子式計算機のキー入力処理を示す
フローチヤート、第３図は上記小型電子式計算機
のキー入力操作に伴う計算式の表示状態を示す図
である。
１１……制御部、１２……キー入力部、１３…
…入力バツフア、１４……データ記憶部、１４ａ
……√フラグレジスタ、１５……演算部、１６…
…表示バツフア、１７……表示部。
FIG. 1 is a block diagram showing the configuration of an electronic circuit of a small electronic calculator according to an embodiment of the present invention, and FIG.
This figure is a flowchart showing the key input process of the small electronic calculator, and FIG. 3 is a diagram showing the display state of calculation formulas accompanying the key input operation of the small electronic calculator. 11...Control unit, 12...Key input unit, 13...
...Input buffer, 14...Data storage section, 14a
...√Flag register, 15... Arithmetic unit, 16...
...display buffer, 17...display section.
Claims (1)
示する表示手段と、 上記数式入力手段によるルートキー操作後に入
力される数値あるいは数式が該ルートが掛けられ
たものか否かを指示するルートデータ指示手段と
、 このルートデータ指示手段によりルートが掛け
られた数値あるいは数式の上記にルートのバーを
表示させる表示制御手段と、 上記数式入力手段により入力された数式に従つ
て演算を実行する演算手段と、 を具備したことを特徴とする小型電子式計算機。[Scope of Claim for Utility Model Registration] A mathematical formula input means including a root key, a display means for displaying data input by the mathematical formula input means, and a numerical value or mathematical formula input after the root key is operated by the mathematical formula input means. a route data instruction means for instructing whether or not a route has been multiplied; a display control means for displaying a root bar above the numerical value or formula multiplied by the route by the route data instruction means; and the above-mentioned formula input means. A small electronic calculator characterized by comprising: arithmetic means for performing an arithmetic operation according to a formula inputted by the computer;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12102490U JPH0478657U (en) | 1990-11-19 | 1990-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12102490U JPH0478657U (en) | 1990-11-19 | 1990-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478657U true JPH0478657U (en) | 1992-07-09 |
Family
ID=31868902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12102490U Pending JPH0478657U (en) | 1990-11-19 | 1990-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478657U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126218A (en) * | 1977-04-11 | 1978-11-04 | Toshiba Corp | Unit and system for display |
| JPS6446828A (en) * | 1987-08-17 | 1989-02-21 | Nec Corp | Numerical value display part |
-
1990
- 1990-11-19 JP JP12102490U patent/JPH0478657U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126218A (en) * | 1977-04-11 | 1978-11-04 | Toshiba Corp | Unit and system for display |
| JPS6446828A (en) * | 1987-08-17 | 1989-02-21 | Nec Corp | Numerical value display part |
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