According to Wikipedia ...
The term "spiral" has a more narrow definition in a mathematical context, as a curve which lies in a single plane and moves towards or away from a central point, with a continuously changing radius. The mathematical term for the 3-dimensional curve traced where the locus progresses at a fixed radius from a fixed line while moving in a circular motion around it is a "helix". Since the very purpose of a stairway is to change elevation, it is inherently a 3-dimensional path. Loose everyday usage conflates the terms helical and spiral, but the vast majority of circular stairs are actually helical. True spiral staircases would be nonfunctional flat structures, although functional hybrid helical spiral staircases can be constructed. This article attempts to preferentially use the terms "helix" and "helical" to describe circular stairways more clearly and precisely, while reserving the term "spiral" for a curve restricted to a flat plane.
| Esmaspäev | Teisipäev | Kolmapäev | Neljapäev | Reede |
|---|---|---|---|---|
| 8:30 IT-valdkonna alusteadmised: Rakendustarkvara | 8:30 Programmeerimise alused | 8:30 Veebirakenduste loomine | ||
| 10:15 IT-valdkonna alusteadmised: Rakendustarkvara | 10:15 Veebirakenduste loomine | 10:15 Suhtlemine IT-valdkonnas | ||
| 11:55 Rakendusmatemaatika | 11:55 Rakendusmatemaatika | 11:55 Suhtlemine IT-valdkonnas | ||
| 14:10 Programeerimise alused |
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A spiral staircase |
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Iga viies inimene peab igapäevaste kuludega hakkama saamiseks laenu võtma |
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| Viimase aastal on piisavate rahaliste vahendite puudumise tottu pidanud igapäevaste kulutuste tasumiseks raha laenama 19 protsenti Eesti inimestest, | selgus Norstati poolt OÜ GS Core'i tellimusel augustis läbi viidud uuringust. | Postimees, 14.09.2023 - Angelina Täker |
| Diskograafia | |
|---|---|
| 2 Quick Start | 1994 - 2 Quick Start |
| 1995 - Olen Loobuda Sust Proovinud | |
| 1997 - Poolel teel su juurde | |
| 2001 - Ühega miljoneist | |
| 2010 - 2010 | |