Mission. 1  The International BaccalaureateÂ® (IB) is more than its educational programmes and certificates. At our heart we are motivated by a mission to create a better world through education. 2  The International BaccalaureateÂ® (IB) is led by the Board of Governors, the Director General and the Senior Leadership Team (SLT).
Hallmark definition, an official mark or stamp indicating a standard of purity, used in marking gold and silver articles assayed by the Goldsmiths' Company of London; plate mark. See more. Dictionary.com
1 a significand (or mantissa): which is a series of digits of the aforementioned base. The number of digits in this series is what is known as precision.  an exponent (also known as characteristic, or scale): which represents the offset of the significand, affecting the value in the following way: