https://www.amazon.in/Casio-FX-991ES-Plus-Scientific-Calcula...
I used this one for my BE in electronics. Casio 991es. If you look at the button just below the ON button, that is the logx function.
I used this one for my BE in electronics. Casio 991es. If you look at the button just below the ON button, that is the logx function.
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