A simple, low cost, and precision frequency meter uses only two pins of a pc parallel port (Figure 1). The TTL-level periodic input signal with frequency f IN connects to the ACK pin of LPT1. This ...
When multiplying fractions, multiply the top numbers (numerators) together and multiply the bottom numbers (denominators) together, then simplify or it is sometimes easier simplify first.
Did you know that that 50 percent of women in the U.S. age 50 or older will break a bone due to osteoporosis? Overall, about 54 million Americans have osteoporosis—a gradual thinning out of the ...
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