Practical use

Calculator nameSummary
Classic Calculator This calculator is like 64-bit, but in the Keisan Online Calculator!
Court fees calculator for a civil case in Japan This is a fee calculator in the court of Japan. It corresponds to the revision since 2007.
Day By Transistor Count Find the day for a transistor count by typing in the number below.
Transistor Count See the transistor count for any day by typing it in the box.