Soroban
Brief Description
Soroban is the desktop abacus software of computer-control.
The counter(beads) can be shed in the manual operation like using an actual abacus.
As for computer-controlled, it corresponds to addition, subtraction, multiplication, division, and square roots, and a super-high-speed calculation is possible.
Number of rods, counter image, and animation interval etc. of the abacus can be customized.
System Requirements
Windows98/ME/2000/XP/Vista
.NET Framework 2.0
Download
Version 2.0.0.0 (2010-03-06) 69,730 Byte
Soroban_200.zip
Flash Calc
Brief Description
It is the flash mental calculation software.
The flash mental calculation is the supreme mental calculation by the abacus.
Let's challenge the flash mental calculation by this program.
System Requirements
Windows98/ME/NT4.0/2000/XP
.NET Framework 1.1
Download
Version 1.4.0.0 (2007-03-17) 28,637 Byte
FlashCalc_en_140.zip
About
Author
Tomoyasu Kato
digital_design
A part in the address is an image.