Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 42
... direction , for example -4 amperes or +4 amperes . When no sign stands before a number , the plus sign is always under- stood . The minus sign is never omitted . In radio work , when the sign is of no importance and only the absolute ...
... direction , for example -4 amperes or +4 amperes . When no sign stands before a number , the plus sign is always under- stood . The minus sign is never omitted . In radio work , when the sign is of no importance and only the absolute ...
Σελίδα 43
... direction , and an answer of 3 amperes means the same amount of current flow but in an opposite direction . If the direction is of no importance , it is customary to write the number in the form [ 3 ] , the parallel vertical lines ...
... direction , and an answer of 3 amperes means the same amount of current flow but in an opposite direction . If the direction is of no importance , it is customary to write the number in the form [ 3 ] , the parallel vertical lines ...
Σελίδα 44
... direction ( that is , in the direction opposite to that indicated by the sign + before 1 ) , and is ( +2 ) . 2. The result of subtracting ( -1 ) from ( +3 ) is found by counting from ( +3 ) one unit in the positive direction , and is ...
... direction ( that is , in the direction opposite to that indicated by the sign + before 1 ) , and is ( +2 ) . 2. The result of subtracting ( -1 ) from ( +3 ) is found by counting from ( +3 ) one unit in the positive direction , and is ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
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Συχνά εμφανιζόμενοι όροι και φράσεις
algebraic angle answer applied arithmetic Axiom base called Chapter Check circle circuit circumference coefficient common complex condition Construct COROLLARY curve decimal definition denominator difference direction distance divided division Draw drawn electrical engineering equal equation example exponent expression fact factor figure formula fraction frequency functions geometry given greater illustrated inches indicated involved length letters logarithms magnitude mathematical means measure method Multiply necessary negative Note obtained ohms operation parallel perpendicular places polygon positive possible practice Problems Prove quadratic quantity quotient radio radius ratio represented resistance result right angle root rule shown sides similar Simplify sine solution Solve square statement straight line substituted subtract Theorem triangle unit unknown usually vertical voltage volts wave zero