| 发明名称 |
COLOR CODED MATH SYSTEM |
| 摘要 |
A color-coded math system includes a grid for inputting a numeral having at least one digit. The grid is arranged to align the at least one digit thereon. A keypad is provided for inputting the at least one digit of the numeral on the grid. The at least one digit is color-coded on the grid based on a place value of the at least one digit. |
| 申请公布号 |
US2016307463(A1) |
申请公布日期 |
2016.10.20 |
| 申请号 |
US201615131684 |
申请日期 |
2016.04.18 |
| 申请人 |
Langley Devon A.;Langley Trevor M.;Boutell Caleb;Boutell Elise;Lenderman Kira;Truby Aidan;Goodwin Ellen M. |
发明人 |
Langley Devon A.;Langley Trevor M.;Boutell Caleb;Boutell Elise;Lenderman Kira;Truby Aidan;Goodwin Ellen M. |
| 分类号 |
G09B19/02;G09B5/12 |
主分类号 |
G09B19/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A color-coded math system comprising:
a grid for inputting a numeral having at least one digit, wherein the grid is arranged to align the at least one digit thereon; and a keypad for inputting the at least one digit of the numeral on the grid, wherein the at least one digit is color-coded on the grid based on a place value of the at least one digit. |
| 地址 |
Terre Haute IN US |
