RO101137B1 - Numarator cu casete etajate - Google Patents

Numarator cu casete etajate

Info

Publication number
RO101137B1
RO101137B1 RO133519A RO13351988A RO101137B1 RO 101137 B1 RO101137 B1 RO 101137B1 RO 133519 A RO133519 A RO 133519A RO 13351988 A RO13351988 A RO 13351988A RO 101137 B1 RO101137 B1 RO 101137B1
Authority
RO
Romania
Prior art keywords
axis
those
base
counter
equal
Prior art date
Application number
RO133519A
Other languages
English (en)
Other versions
RO101137A2 (ro
Inventor
Mihai Nagel
Original Assignee
îNTREPRINDEREA DE AUTOTURISME
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by îNTREPRINDEREA DE AUTOTURISME filed Critical îNTREPRINDEREA DE AUTOTURISME
Priority to RO1988133519A priority Critical patent/RO101137A2/ro
Publication of RO101137B1 publication Critical patent/RO101137B1/ro
Publication of RO101137A2 publication Critical patent/RO101137A2/ro

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  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

Inventia se refera la un numarator cu casete etajate, utilizat ca material didactic în cadrul procesului de învatare a notiunii de "baza unui sistem de numeratie" si alte notiuni referitoare la numar. Numaratorul, conform inventiei, se compune dintr-un cadru vertical, prevazut cu niste axe orizontale pe care se deplaseaza niste casete din material plastic transparent mobilate în interior prin lipire cu niste cuburi dupa cum urmeaza: cele de pe axa unitatilor cu un cub elementar, cele de pe axa zecilor cu o bara formata prin alipirea unui numar decuburi elementare egal cu baza de numeratie, cele de pe axa sutelor cu o placa formata prin alipirea unui numar de bare egal cu numarul bazei, iar cele de pe axa miilor cu un cub multiplu format prin aplicarea unui numar de placi egal cu numarul bazei.
RO1988133519A 1988-05-13 1988-05-13 Numarator cu casete etajate RO101137A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO1988133519A RO101137A2 (ro) 1988-05-13 1988-05-13 Numarator cu casete etajate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO1988133519A RO101137A2 (ro) 1988-05-13 1988-05-13 Numarator cu casete etajate

Publications (2)

Publication Number Publication Date
RO101137B1 true RO101137B1 (ro) 1991-05-01
RO101137A2 RO101137A2 (ro) 1991-12-04

Family

ID=20121679

Family Applications (1)

Application Number Title Priority Date Filing Date
RO1988133519A RO101137A2 (ro) 1988-05-13 1988-05-13 Numarator cu casete etajate

Country Status (1)

Country Link
RO (1) RO101137A2 (ro)

Also Published As

Publication number Publication date
RO101137A2 (ro) 1991-12-04

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