At par

at face value, at nominal value

Par value, in finance and accounting, means stated value or face value. From this comes the expressions at par (at the par value), over par (over par value) and under par (under par value).The term "par value" has several meanings depending on context and geography.
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A price equal to nominal or face value of a security. See: Par.

B: (Matematika) pada par
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