A zero coupon bond (also discount bond or deep discount bond) is a bond in which the face value is repaid at the time of maturity. Unlike regular bonds, it does not make periodic interest payments or have so-called coupons, hence the term zero-coupon bond.When the bond reaches maturity, its investor receives its par (or face) value. Examples of zero-coupon bonds include …

The zero trust security model, also known as zero trust architecture (ZTA), zero trust network architecture or zero trust network access (ZTNA), and sometimes known as perimeterless security, describes an approach to the design and implementation of IT systems.The main concept behind the zero trust security model is "never trust, always verify,” which means that …

F-Zero X is a futuristic racing video game for the Nintendo 64 console. Developed by Nintendo's EAD division, it was released in Japan, North America, and Europe in 1998.In 2000, the Expansion Kit was released in Japan, including a track and vehicle editor. The original game was ported in 2004 to the iQue Player in China. It had Virtual Console re-releases on the Wii in …

A zero-day (also known as a 0-day) is a computer-software vulnerability previously unknown to those who should be interested in its mitigation, like the vendor of the target software. Until the vulnerability is mitigated, hackers can exploit it to adversely affect programs, data, additional computers or a network. An exploit taking advantage of a zero-day is called a zero-day exploit, …

Background. Zero Hour: Crisis in Time! was the follow-up to the Crisis on Infinite Earths limited series. This event served as an opportunity to reconcile continuity problems left unaddressed by Crisis and other problems that had been unintentionally caused by it. In particular, the revised characters of the post-Crisis universe had been rolled out gradually, with DC continuing to …

Zero interest-rate policy (ZIRP) is a macroeconomic concept describing conditions with a very low nominal interest rate, such as those in contemporary Japan and in the United States from December 2008 through December 2015. ZIRP is considered to be an unconventional monetary policy instrument and can be associated with slow economic growth, deflation and deleverage.

The slashed zero is a representation of the Arabic digit "0" (zero) with a slash through it. The slashed zero glyph is often used to distinguish the digit "zero" ("0") from the Latin script letter "O" anywhere that the distinction needs emphasis, particularly in encoding systems, scientific and engineering applications, computer programming (such as software development), and …

A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar (nor in its predecessor, the Julian calendar); in this system, the year 1 BC is followed directly by year AD 1.However, there is a year zero in both the astronomical year numbering system (where it coincides with the Julian year 1 BC), and the …

Zero to One: Notes on Startups, or How to Build the Future is a 2014 book by the American entrepreneur and investor Peter Thiel co-written with Blake Masters. It is a condensed and updated version of a highly popular set of online notes taken by Masters for the CS183 class on startups, as taught by Thiel at Stanford University in Spring 2012.

A pole of f is a zero of 1/f. This induces a duality between zeros and poles, that is obtained by replacing the function f by its reciprocal 1/f. This duality is fundamental for the study of meromorphic functions. For example, ...