20 Most Recent HP 33s Calculator Questions & Answers

There is probably not much you can do except send it for repairs. But I don't think it would be worthwhile to do so.

Go to Display upper right hand button. Press 1 Fix then press 3 for number of decimals

Press 2 and then the +/- key about the 8 button

press 2nd and then use ur up and down arrows to adjust the brightness

Press 1 E 4 The E means "times 10 to the" so 1E4 is 1*10 to the 4th 10 to the 4th.

That's exactly what's supposed to happen. When you hit "1" it starts to input the number 1 into X. When you press "ENTER" it finishes the number entry and lifts the stack, copying the 1 in X into Y.If you press a digit key now it will overwrite the number in X.If you press "+" now, it will add X and Y, giving 2.If you press a function it will execute that function on the number in X. For example, pressing LN will give you 0. In this case, you don't need to hit "ENTER" at all. To calculate the natural log of 2, for example, you can simply press 2 LN.

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