Finger binary Finger binary Finger binary is a system for counting and displaying binary numbers on the fingers of one or more hands. It is possible to count from 0 to 31 (2−1) using the fingers of a single hand, or from 0 through 1023 (2−1) if both hands are used. In the binary number system, each numerical digit has two possible states (0 or 1) and each successive digit represents an increasing power of two. Note: What follows is but one of several possible schemes for assigning the values 1, 2, 4, 8, 16, etc. to fingers, not necessarily the best.
Counting of the Omer forty-ninth day, one should review all the "ways." Counting of the Omer Counting of the Omer (, Sefirat HaOmer, sometimes abbreviated as Sefira or the Omer) is an important verbal counting of each of the forty-nine days between the Jewish holidays of Passover and Shavuot as stated in the Hebrew Bible: . This "mitzvah" ("commandment") derives from the Torah commandment to count forty-nine days beginning from the day on which the "Omer", a sacrifice containing an "omer"-measure of barley, was offered in the Temple in Jerusalem, up until the day before an offering of wheat was brought to the Temple