It is this sign change which distinguishes the split-complex numbers from the ordinary complex ones.

Part of the reason the sign changes came so slowly and inaccurately was the process used by city workmen to complete these tasks.

Note that only the odd powers of h experienced a sign change.

For any other configuration, the extra energy is equal to the number of sign changes as you scan the configuration from left to right.

This is called a sign variation or sign change between the numbers and .

At Christmastime they could have the sign change to green and red.

They looked up in time to see the "delayed" sign change to "arrived."

The original cases made consistent choices, but the sign change could lead to mistakes.

A special case is to find the first sign change.

After the sign change, "my dad rarely saw any players," Murray Rubin said.