JPH0330123U - - Google Patents
Info
- Publication number
- JPH0330123U JPH0330123U JP4658189U JP4658189U JPH0330123U JP H0330123 U JPH0330123 U JP H0330123U JP 4658189 U JP4658189 U JP 4658189U JP 4658189 U JP4658189 U JP 4658189U JP H0330123 U JPH0330123 U JP H0330123U
- Authority
- JP
- Japan
- Prior art keywords
- subtraction
- multiplication
- division
- addition
- soroban
- 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
Landscapes
- Instructional Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の正面図、第２図は位取りカー
ソルの部分を説明した斜視図。 １…本体、２…整数の位取りカーソル、３…小
数点以下の位取りカーソル、４…小数点表示、５
…５この目じるし、６…加、減、乗、除の計算表
示。
ソルの部分を説明した斜視図。 １…本体、２…整数の位取りカーソル、３…小
数点以下の位取りカーソル、４…小数点表示、５
…５この目じるし、６…加、減、乗、除の計算表
示。
Claims (1)
- 縦に１０こ並んだそろばん珠を横に５〜６列に
並べたものを三段につなぐことによつて、加、減
、乗、除の計算が筆算の形でできるようにしたそ
ろ盤。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658189U JPH0330123U (ja) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658189U JPH0330123U (ja) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330123U true JPH0330123U (ja) | 1991-03-25 |
Family
ID=31561786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4658189U Pending JPH0330123U (ja) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330123U (ja) |
-
1989
- 1989-04-19 JP JP4658189U patent/JPH0330123U/ja active Pending
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