JPS631251U

JPS631251U -

Info

Publication number: JPS631251U
Application number: JP9374986U
Authority: JP
Priority date: 1986-06-19
Filing date: 1986-06-19
Publication date: 1988-01-07

Description

[Brief explanation of drawings]

第１図は本考案の電子式卓上計算機の構成を示
すブロツク図、第２図は第１図の液晶表示器の構
成を示す図、第３図は第１図のキーボードの構成
を示す図、第４図は表示メモリの構成を示す模式
図、第５図はレジスタの構成を示す模式図、第６
図はデータメモリの構成を示す模式図、第７図、
第８図、第９図、第１０図、第１１図、第１２図
は、第４図、第５図、第６図の状態遷移図、第１
３図、第１４図は計算例を示す図である。１……制御回路、２……キーボード、３……プ
ログラムメモリ、４……データメモリ、５……駆
動回路、６……表示器。 FIG. 1 is a block diagram showing the configuration of the electronic desktop calculator of the present invention, FIG. 2 is a diagram showing the configuration of the liquid crystal display in FIG. 1, and FIG. 3 is a diagram showing the configuration of the keyboard in FIG. 1. Figure 4 is a schematic diagram showing the configuration of the display memory, Figure 5 is a schematic diagram showing the configuration of the register, and Figure 6 is a schematic diagram showing the configuration of the register.
The figure is a schematic diagram showing the configuration of the data memory, FIG.
Figures 8, 9, 10, 11, and 12 are the state transition diagrams of Figures 4, 5, and 6;
3 and 14 are diagrams showing calculation examples. DESCRIPTION OF SYMBOLS 1...Control circuit, 2...Keyboard, 3...Program memory, 4...Data memory, 5...Drive circuit, 6...Display device.

Claims

[Scope of utility model registration request]

A keyboard for inputting numerical data, operator data, etc., a data memory for storing input data, a calculation means for performing calculations based on the input data, and a first calculation result for storing calculation results by the means. a register, a second calculation result register in which the calculation result is corrected based on the decimal point position data and the calculation result to be displayed is stored; reading means for sequentially reading out the data stored in the data memory and displaying it on the display means; and a display. 1. An electronic desktop calculator comprising means for correcting data that has been calculated, and when the data is corrected after calculation, the calculation means performs correction processing based on data in a first calculation result register.