Delta is the pronunciation of the fourth Greek letter, capitalized as δ and lowercase as δ. In mathematics or physics, the capitalized δ is used to represent the incremental symbol. And lowercase δ is usually used to represent variables or symbols in higher mathematics.
Delta symbol is widely used in life, and many brands and institutions are named after it. It is the unit to measure the change of futures price, and it is the range that causes the change of royalty. If the call option ⊿ is 0.4, it means that every time the futures price changes 1 yuan, the option price will change by 0.4 yuan.
Delta triangle in chemical program;
If the triangle delta is above the equal sign in the chemical program, it means heating. It can also indicate the difference between some quantities, which is generally read as "δ". For example, △Tf indicates that the freezing point of the solution is reduced; △Tb indicates that the boiling point of the solution rises.
Heating refers to the process that a heat source transfers heat energy to a cooler object and makes it hot, which is represented by the chemical symbol △. The general external performance is the increase of temperature, which can be directly measured by thermometer and other equipment.