Usefull Calculation Examples
LED calculator for Christmas lighting
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Christmas: Calculate the number of lights needed and the cost of electricity for a Christmas tree light chain that may also be a gift.
Topics: Lighting, Holidays, Christmas, Light, LED | Status: free to usePayback for humanT light solutions
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Comparison of classic lighting system and Human Centric Lighting system incl. estimation of a payback calculation as a first approximation.
Topics: Building, Living, Lighting, Electrics, Light | Status: free to useConverter luminosity lumens to watts power
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Use this converter to convert the luminosity (lumens) to watts (power) of an energy-saving lamp compared to a conventional light bulb.
Topics: Building & Living & Household & Electrical & Energy Saving & Lighting | Status: free to useGemstone cut: adjust angle of crown according to Refracting Index (RI)
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Calculate the angles or the modified "refracting index" when faceting gemstones.
Topics: Hobby & Leisure, Mathematics, Gemstones | Status: free to useHow much do lights cost after a certain period
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Online calculator for extrapolating the costs of various illuminants ("bulb") over a calculation period of e.g. 10 years.
Topics: Building & Living, Energy, Lighting, Save Electricity | Status: free to useSpecial Technical Solutions
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