JPS6266353U

JPS6266353U -

Info

Publication number: JPS6266353U
Application number: JP15638485U
Authority: JP
Priority date: 1985-10-15
Filing date: 1985-10-15
Publication date: 1987-04-24

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の回路図、第２図、
第３図は計算のフローチヤートを示す図、第４図
はキー操作と表示の図、第５図は極座標と直交座
標との関係を示す図である。１Ａ……置数キー、１Ｄ……Ｒ→Ｐキー、１Ｅ
……Ｐ→Ｒキー、２……制御部、３Ａ……Ｘレジ
スタ、３Ｂ……Ａレジスタ、３Ｃ……Ｂレジスタ
、３Ｄ……Ｃレジスタ、４……演算部、４Ａ……
Ｒ→Ｐ変換ルーチン、４Ｂ……Ｐ→Ｒ変換ルーチ
ン、５Ａ……ｉレジスタ、５Ｂ……ｊレジスタ、
６……表示部。 Figure 1 is a circuit diagram of an embodiment of the present invention; Figure 2 is a circuit diagram of an embodiment of the present invention;
FIG. 3 is a diagram showing a calculation flowchart, FIG. 4 is a diagram of key operations and displays, and FIG. 5 is a diagram showing the relationship between polar coordinates and rectangular coordinates. 1A...Number key, 1D...R→P key, 1E
...P→R key, 2...control unit, 3A...X register, 3B...A register, 3C...B register, 3D...C register, 4...operation unit, 4A...
R→P conversion routine, 4B...P→R conversion routine, 5A...i register, 5B...j register,
6...Display section.

Claims

[Scope of utility model registration request]

In a small electronic calculator that can perform coordinate conversion between orthogonal coordinates and polar coordinates, three variables γ, θ of three-dimensional polar coordinates, and three variables a,
b, c, a first storage means that stores a conversion program from polar coordinates to orthogonal coordinates, a second storage means that stores a conversion program from orthogonal coordinates to polar coordinates; and a means for performing coordinate transformation based on each transformation program stored in the first storage means or the second storage means according to the input of each variable set in the above-mentioned first storage means. calculator.