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New page: The '''additive inverse''' of a complex or real number x is the number y such that x and y add to equal the additive identity, the number 0. The addi...
The '''additive inverse''' of a [[complex number|complex]] or [[real number|real]] number x is the number y such that x and y add to equal the [[additive identity]], the number 0. The additive inverse is a function defined for all complex numbers, and is [[cyclical function|cyclical]] with period 2. However, for this function to exist, one must first accept the existence of the [[negative numbers]]. This was a large impedent to early mathematics.