Celsius scale

Celsius scale:

 (centigrade scale) A temperature scale with the range denoted by °C, as seen in the above figure. The normal freezing point of water is 0°C, and the normal boiling point of water is 100°C. The scale was named after ANDERS CELSIUS, who proposed it in 1742
but designated the freezing point to be 100 and the boiling point to be 0 (reversed after his death).