This document addresses display questions for the HP 6s / 6s solar, 20s, and 32sii calculators.
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HP Scientific Calculators  Calculator Display Questions
Calculator symbol key
The procedures in this document use the following text to represent symbol keys:
Key

Description

Text Representation


Right shift key

RS


Leftshift key

LS


colored key; shift key

SHIFT

Determining what "E" in a number (for example, 2.51E13) means (20s, 32sii)
20s
Exponent of ten (for example, 2.51x1013). Scientific and engineering notation express the number as a mantissa multiplied by a power of 10. The letter E separates the exponent from the mantissa.
Scientific Notation (SCI)
Scientific notation uses a mantissa with one digit to the left of the decimal point. Figure 1 shows the example of SCI 6:
Figure : SCI 6

Press RS, then SCI.

Enter the number of digits to appear after the decimal point.
Engineering Notation (ENG)
Engineering notation expresses a number as a mantissa with one, two, or three digits to the left of the decimal point, multiplied by 10 raised to a power that is a multiple of 3. Figure 2 shows the example of ENG 4:
Figure : ENG 4
To specify engineering notation:

Press LS, then ENG.

Enter the number of significant digits to appear after the first digit.
32sii
Exponent of ten (for example, 2.51x1013). Scientific and engineering notation express the number as a mantissa multiplied by a power of 10. The letter E separates the exponent from the mantissa.
Scientific Notation (SCI)
Scientific notation uses a mantissa with one digit to the left of the decimal point. Figure 1 above shows the example of SCI 6.
To specify scientific notation:

Press LS, then DISP.

Choose SC.

Enter number of places up to 11. For 10 or 11 places enter [.] 0 or [.] 1.
Engineering Notation (ENG)
Engineering notation expresses a number as a mantissa with one, two, or three digits to the left of the decimal point, multiplied by 10 raised to a power that is a multiple of 3. Figure 2 above shows the example of ENG 4.
To specify engineering notation:

Press LS, then DISP.

Choose EN.

Enter number of places up to 11. For 10 or 11 places enter [.] 0 or [.] 1.
Determining what PEND in the display means (20s)
An arithmetic operation is pending (in progress).
Determining what [:] in the display means (20s)
INPUT has been pressed or two values have been returned.
Determining what a symbol in the display means (32sii)
This is an annunciator and it indicates something about the status of the calculator.
Changing between fractions and decimal numbers (32sii)
Press LS, then FDISP
Getting the letter E out of the display (6s/6s solar)
The letter E in the display indicates an error has occurred. To remove the E press C/CE on the calculator.
Getting rid of the M in the display (6s/6s solar)
Press 0 then X  > M
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