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How can you get 100 by pressing 3 buttons in normal calculator?
By pressing the three digits that make up the number 100.
What are the 3 buttons in a calculator when pressed result gets 100 without pressing 2 time button?
1 and 0 and the power button (10 squared or to the power 2)=100 :P
What is the change of sign key on a calculator?
The change of sign key converts the value from positive to negative or vice versa. For example, if the number shown in the calculator is 100, clicking the button will convert it to -100. Clicking it again will convert it back to 100.
How do you write 47 hundredths as a decimal?
0.47. check it out for yourself. this in a fraction is 47/100. get a calculator and divide 47 by 100.
On the calculator what does the plus slash minus button do?
It changes the sign of your answer between positive and negative. For example, if your calculator says 50 and you press the +/- button, it will change to -50. Press it again and it changes back to 50. It is useful if you need to multiply several numbers together and then subtract them from another number. For example say you multiplied some numbers on your calculator and got 52.932646 and you need to subtract that from 100. Instead of clearing the calculator and typing 100 - 52.932646, you could just press the +/- button to get -52.932646 and then add 100, and you will get the correct answer. It saves a step.
