This thesis (written in spanish) contains detailed descriptions of the various hypothesis about the use of the Yupana. Among them, the hypothesis of Chirinos, Moscovich's hypothesis, and Pereyra's hypothesis. How to compute simple multiplications and divisions is also explained.
Asbtract
http://190.116.38.24:8090/xmlui/handle/123456789/55?show=full
Full text
http://190.116.38.24:8090/xmlui/bitstream/handle/123456789/55/UTILIZACI%C3%93N%20DE%20LA%20YUPANA%20COMO%20MATERIAL%20DID%C3%81CTICO%20EN%20LA%20ENSE%C3%91ANZA%20DE%20MATEM%C3%81TICA%20EN%20ALUMNOS%20SEGUNDO%20GRADO%20DE%20PRIMARIA%20EN%20INSTITUCIONES%20EDUCATIVAS%20DE%20HUACHO%20EN%20EL%20PERIODO%202012.pdf?sequence=1
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