How to Test/Check/Hack Casio Scientific Calculator fx-991MS, fx-991ES (Calculator Trick!)

Basically engineering students need a Good quality Scientific Calculator for Problem Solving.Now-a-days several duplicate and local companies calculator are available in the market with low prize and impressive outlook for sales. But they didn't care about battery cell backup , button quality and more features such as software also.

Here are some steps to check whether the calculator software is original,

Follow Steps:

  1. Press and hold Following Three buttons at same time
  2. Shift button +Number7 button + ON button.
  3. Now in the display screen, you should see all options or all pixels are ON.
  4. Then press Shift button continuously till Number 1 appears on the screen.
  5. Now press all the buttons in the calculator starting fromAlpha button sequentially, except for the ON button.
  6. After pressing all buttons,
  7. finally press = then it should show 44 Ok .If it shows, 44 OK' then the calculator is good for your Engineering Mathematics..

Basically CASIO is a Good brand for Calculators...
Enjoy Calculating :-)

How to Test/Check/Hack Casio Scientific Calculator fx-991MS, fx-991ES Calculator Trick!

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  1. This is very appealing, however , it is very important that will mouse click on the connection: 55 kg in pounds

    ReplyDelete

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