what is the difference between actual and exact?
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As adjectives the difference between actual and exact is that actual is existing in act or reality, not just potentially; really acted or acting; occurring in fact while exact is precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
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A formal parameter, i.e. a parameter, is in the function definition. An actual parameter, i.e. an argument, is in a function call.
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As verbs the difference between correspond and equal is that correspond is to be equivalent or similar in character, quantity, quality, origin, structure, function etc while equal is (mathematics) to be equal to, to have the same value as; to correspond to.
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Call by Reference: Both the actual and formal parameters refer to same locations, so any changes made inside the function are actually reflected in actual parameters of caller. While calling a function, we pass values of variables to it. Such functions are known as “Call By Values”.
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Precision tells you how close two measurements are to one another, while accuracy tells you how close a measurement is to the known value. A measurement can be precise while not being accurate, or accurate but not precise; the two terms are NOT related.
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Analytical is exact; numerical is approximate. For example, some differential equations cannot be solved exactly (analytic or closed form solution) and we must rely on numerical techniques to solve them. Numerical methods use exact algorithms to present numerical solutions to mathematical problems.
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Key Points. Accuracy refers to how closely the measured value of a quantity corresponds to its “true” value. Precision expresses the degree of reproducibility or agreement between repeated measurements. The more measurements you make and the better the precision, the smaller the error will be.
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An exact match compares the look up value to the compare value. They must be equal for a value to be returned from the lookup table. AN approximate match also compares the lookup value to the compare value.
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Both accuracy and precision reflect how close a measurement is to an actual value, but accuracy reflects how close a measurement is to a known or accepted value, while precision reflects how reproducible measurements are, even if they are far from the accepted value.
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The exact numeric data types are SMALLINT , INTEGER , BIGINT , NUMERIC(p,s) , and DECIMAL(p,s) . Exact SQL numeric data type means that the value is stored as a literal representation of the number's value. The approximate numeric data types are FLOAT(p) , REAL , and DOUBLE PRECISION .
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Double takes more space but more precise during computation and float takes less space but less precise. According to the IEEE standards, float is a 32 bit representation of a real number while double is a 64 bit representation. In Java programs we normally mostly see the use of double data type.
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“Actual” Balance – The amount of money that is in your account at any given time. It reflects transactions that have posted to (cleared) your account, but not items that are outstanding. “Available” Balance – The amount of money in your account that is available for you to use.
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FLOAT is accurate to approximately 7 decimal places, and DOUBLE upto 14. Decimal's declaration and functioning is similar to Double. But there is one big difference between floating point values and decimal (numeric) values. ... A Decimal type can store a Maximum of 65 Digits, with 30 digits after decimal point.
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As adjectives the difference between official and actual is that official is of or pertaining to an office or public trust while actual is existing in act or reality, not just potentially; really acted or acting; occurring in fact.
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The referential equality (using === , == or Object.is() ) determines whether the operands are the same object instance. The manual equality check requires a manual comparison of properties' values.
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The difference between Actual Parameters and Formal Parameters is that Actual Parameters are the values that are passed to the function when it is invoked while Formal Parameters are the variables defined by the function that receives values when the function is called.
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Money is stored in the same way an integer is stored, whereas decimal is stored as a decimal point and decimal digits. ... The difference is that intermediate values of decimal can maintain precision up to 38 digits.