Description
The 17 digits abacus, also called a counting frame, is a calculating tool where beads are moved up and down and feeling and looking at the beads, complex calculations are made. Calculations made the abacus/ soroban is a integration of mind and body. Abacus/ soroban is a magical tool to make brain smarter.
Features
- Color: as shown in the pictures.
- Material: durable hard plastic ( frame and beads ), and wood ( rods ).
- Size ( L* W* H ): about 10. 5* 2. 3* 0. 7 inch.
- and Plastic Abacus Arithmetic Soroban ' s Calculating Tool 17 Digits.
- Soroban style abacus, plastic frame, 17 digits.
- One bead above and four beads below.
- Give concrete visible display of numbers beads.
- A very useful tool in general mathematics education.
- Widely used , accounting , merchants, traders, etc.
Package Including
1* Portable Plastic Abacus Arithmetic Soroban ' s Calculating Tool 17 Digits
The 17 digits abacus, also called a counting frame, is a calculating tool where beads are moved up and down and feeling and looking at the beads, complex calculations are made. Calculations made the abacus/ soroban is a integration of mind and body. Abacus/ soroban is a magical tool to make brain smarter.
Features
- Color: as shown in the pictures.
- Material: durable hard plastic ( frame and beads ), and wood ( rods ).
- Size ( L* W* H ): about 10. 5* 2. 3* 0. 7 inch.
- and Plastic Abacus Arithmetic Soroban ' s Calculating Tool 17 Digits.
- Soroban style abacus, plastic frame, 17 digits.
- One bead above and four beads below.
- Give concrete visible display of numbers beads.
- A very useful tool in general mathematics education.
- Widely used , accounting , merchants, traders, etc.
Package Including
1* Portable Plastic Abacus Arithmetic Soroban ' s Calculating Tool 17 Digits
