DE81394C - - Google Patents
Info
- Publication number
- DE81394C DE81394C DENDAT81394D DE81394DA DE81394C DE 81394 C DE81394 C DE 81394C DE NDAT81394 D DENDAT81394 D DE NDAT81394D DE 81394D A DE81394D A DE 81394DA DE 81394 C DE81394 C DE 81394C
- Authority
- DE
- Germany
- Prior art keywords
- stones
- row
- stone
- task
- pushed
- 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.)
- Active
Links
- 239000004575 stone Substances 0.000 claims description 32
- 238000004364 calculation method Methods 0.000 claims description 4
- 210000000887 face Anatomy 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE81394C true DE81394C (cs) |
Family
ID=353880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT81394D Active DE81394C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE81394C (cs) |
-
0
- DE DENDAT81394D patent/DE81394C/de active Active
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