Maths Magic

Okay, benda ni maybe dah basi for some of u. But its something new to me & i just wanna share. Yang dah tau tu, duk dendiam. Heee =)

Lets start : (Most effective for scientific calculator)

Step 1 : Msukkn 3 no 1st hp anda tu *the 3 digits after 012/016/019 ..etc.*
Step 2 : Darab dgn 80
Step 3 : Tmbh 1
Step 4 : Press =,Ans Darab dgn 250
Step 5 : Cmpurkn 4 nmbor last hp anda
Step 6 : Skali lgi cmpurkn 4 nmbor trakhir td
Step 7 : Tolak 250
Step 8 : Bhgi dgn 2

p/s : Jangan gatal tekan '=' slagi tak smpai step 4 & after step 8 okayy.

Tell me what u get...=)