Astrologers use spherical trigonometry and spherical geometry to find the divisions of the houses, the aspects between planets and render the horoscope. Some simple arithmetic is also used to render the birth time in GMT.
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It is doubtful that astrologers use math at all. They do use a lot of math sounding terms (Zenith, Ascension, Azimuth, Cusp, Declination, etc.) but these are buzz words. Old time magicians used similar phrases such as "Hocuspocus" to sound like the Latin hoc est enim corpus meum (for this is my body) used by the educated people of the time in church servicesAstronomers (actual math using scientists) use calculus, Fourier and LaPlace transforms. None of this is evident in Astrological "calculations"
It is doubtful that astrologers use math at all. They do use a lot of math sounding terms (Zenith, Ascension, Azimuth, Cusp, Declination, etc.) but these are buzz words. Old time magicians used similar phrases such as "Hocuspocus" to sound like the Latin hoc est enim corpus meum (for this is my body) used by the educated people of the time in church services.
Astronomers (actual math using scientists) use calculus, Fourier and LaPlace transforms. None of this is evident in Astrological "calculations."
Basic arithmetic is used with each formula to determine sidereal time, planetary positions, and house cusps. Manual chart calculation offers an extra benefit: the process leads to a deeper understanding and interpretation of the chart, which "comes alive" as each step in erecting the chart is completed.
Yes astrology involves math. Especially geometry for understanding planetary relationships.