HP 35s HP 35s scientific calculator - User Guide - Page 31
Keying in Numbers, Making Numbers Negative, Exponents of Ten
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Keying in Numbers The minimum and maximum values that the calculator can handle are ±9.99999999999499. If the result of a calculation is beyond this range, the error message appears momentarily along with the annunciator. The overflow message is then replaced with the value closest to the overflow boundary that the calculator can display. The smallest numbers the calculator can distinguish from zero are ±10-499. If you enter a number between these values, the calculator will display 0 upon entry. Likewise, if the result of calculation lies between these two values, the result will be displayed as zero. Entering numbers beyond the maximum range above will result in an error message clearing the error message returns you to the previous entry for correction. Making Numbers Negative The key changes the sign of a number. To key in a negative number, type the number, then press , In ALG mode, you may press key before or after typing the number. To change the sign of a number that was entered previously, just press . (If the number has an exponent, affects only the mantissa - the non- exponent part of the number.) Exponents of Ten Exponents in the Display Numbers with explicit powers of ten (such as 4.2x10-5) are displayed with an E preceding the exponent of 10. Thus 4.2x10-5 is entered and displayed as 4.2E-5. A number whose magnitude is too large or too small for the display format will automatically be displayed in exponential form. For example, in FIX 4 format for four decimal places, observe the effect of the following keystrokes: Getting Started 1-15