Step 1 - Press Mode
Step 2 - Press 3
Step 3 - Press Mode
Step 4 - Press 3
Step 5 - Press 9
Step 6 - Press M+
Step 7 - Repeat step 6 until the calculator displays "Data Full"
Step 8 - Press M+
Step 9 - Press 2
Step 10 - Press the "up" arrow
Step 11 - Press 3
Step 12 - Press 0
Step 13 - Repeat step 11 followed by step 12
Step 14 - Repeat step 13 until the calculator stops accepting new digits(the 3's and 0's that you just keyed in)
Step 15 - Press =
Step 16 - Press =
Step 17 - Press 0
Step 18 - Press 1
Step 20 - If you see the massage "Stack ERROR", press the "left" arrow, keep pressing if until you see "30303030303" on the display keep in mind that the blinking black box should be just beside the "3030's". If you see the massage "Math ERROR", do the same as you would if you got the massage "Stack ERROR". If you see the massage "Syntax ERROR", press left and you should see "30303030303" on the display.
Step 21 - Press SHIFT
Step 22 - Press DEL (delete)
Step 23 - Repeat step 22 until the display goes blank
Step 24 - Press SHIFT
Step 25 - Press DEL
Step 26 - Press DEL
Step 27 - Press SHIFT followed by pressing nCr
Step 28 - Press .
Step 29 - Press nCr
Step 30 - Press.
Step 31 - Repeat step 27 to step 30 until the screen "skips" and you'll see some thing like "P.C.P.C.P.C mp/mp" on the display
Step 32 - Press the "left" arrow until you reach the point of which you started keying in the "P.C.'s"
Step 33 - Press DEL six times
Step 34 - Press SHIFT
Step 35 - Press DEL
Step 36 - Press 8



for seeing youtube.Good Luck