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EXAMPLE: 100/23 = 4, remainder 8Enter 100 and press the divide signEnter 23 and Press the equal signObserve the result of 4.347826 [whole number = 4]Press the subtract key, enter 4 and press the equal signObserve the remainder of .347826 [still in decimal form]Press the multiplication key, enter 23, and press the equal signObserve the remainder of 7.999998Round up to the whole number 8
0.1020 is a number to 4 significant figures. The rule is that "Zeros must be kept to show the position of the decimal point or to indicate that zero is a significant figure." Then the leading zero before the decimal point is retained as this shows the position of the decimal point. The zero between 1 and 2 is a key part of the number. The final zero (after 2) is a significant figure otherwise the number would be written 0.102. Consequently, the 4 significant figures are "1020" but are presented as 0.1020 to ensure the true value of the number is accurately given.
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The title, legend ( or key) and axes labels all contribute.
Below the <X-1> key, below the <MODE/SETUP> key, you will find log. You have to press the <SHIFT> key (upper left-most key) and then <log> key (which accesses the <10x> antilog function); then enter the number on which you want to perfom antilog; then press the <Ans> key