HEYA Give SOME SYMBOLS USED IN CIRCUIT DIAGRAMS
square root. √x is a number whose square is x. √4=2 or 2. ∑. summation. sum over … from … to … of, sigma. ∑ k = 1 n x k {displaystyle sum _ {k=1}^ {n} {x_ {k}}} is the same as x 1 +x 2 +x 3 +x k. ∑ k = 1 5 k + 2 = 3 + 4 + 5 + 6 + 7 = 25 {displaystyle sum _ {k=1}^ {5} {k+2}=3+4+5+6+7=25}
Occult symbols can range from those used in witchcraft and satanism to Kabbalah and other mystical ideologies. Common symbols such as an inverted pentagram, ankh and the allseeing eye play an important role in ceremonies and ritual. 14 Hearts One of the most widely recognized symbols is the heart.
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