Hirakoubai and kaeshikoubai
Right triangle magic: how to layout common slopes. Part 7 in a series.
Tag: daiku
Simple uses for a sashigane
Some of the most common applications. Part 6 in a series.
Kou, ko, gen
Slopes, and the mysteries of the right triangle. Part 5 in a series.
Hyoume and urame
About the different scales on the top and bottom of a sashigane. Part 4 in a series.
Sashigane — physical design
Physical characteristics of the sashigane. Part 3 in a series.
Shakkanhou — traditional Japanese units
Traditional measurement units. Part 2 in a series.
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