The mathematical formula of I love you comes from a MV by Korean singer K.will, named "I Need You". The girl wrote a mathematical formula "128 radical e980" on the blackboard for the hero to answer, but the hero couldn't figure it out after thinking hard, so the girl picked up a brush and erased the upper part of the formula, which became English I Love You.

2. [(n+52.8) × 5–3.9343] ÷ 0.5-10× n (n = any number)

Any real number, add 52.8, the result is multiplied by 5, and then subtract 3.4343. The result is multiplied by 2, and the final number is subtracted by 10 times.

3、X2+(y+3√X2)2= 1

Draw a function image, which is a heart.

4.r=a( 1-cosθ) or r = a (1+cos θ) (a > 0) Horizontal direction

Health and emotional line

5、x2+(y-3√x2)2= 1

A love is formed on the number axis, which is the exclusive "love curve" of the Department of Mathematics.