if you want to compute a square of the image's values in photoshop you can just ctrl j and set to multiply. but if you want a square root you have to bust out the whole heron's method. this is bull shit
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if you want to compute a square of the image's values in photoshop you can just ctrl j and set to multiply. but if you want a square root you have to bust out the whole heron's method. this is bull shit