Yes, if the appointment is for their initial 12-months of postdoctoral support from a Kirschstein-NRSA training grant or fellowship. If the trainee received any other Kirschstein-NRSA postdoctoral support that totaled 12 months, on either another training grant or fellowship, a payback agreement would not be required.
Variable symbol (Czech: Variabilni variabilnÃ­) symbol is an identifier widely used for domestic payments In czech. republic Variable symbol is usually used to indicate invoice numbers (after omitting any nonnumerical characters).
Variable definition. A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters $x$, $y$, and $z$ are common generic symbols used for variables. Sometimes, we will choose a letter that reminds us of the quantity it represents, such as $t$ for time, $v$ for voltage, or $b$ for bacteria.