HP SmartCalc 300s - Manual (Page 9)

■ Example: (1 +*/2+*/3)(1 -■J2—^){=-4-2 fò)
= -8.898979486
Basic Calculations (COMP)
This section explains how to perform arithmetic,
Fraction, percent, and sexagesimal calculations.
Arithmetic Calculations
Use the 0, Q 0 and 0 keys to perform arithmetic
calculations.
Example:
7X8-4X5=36
All calculations in this section are performed in the
COMP Mode ([MODEirH).______________________
LfNEI
003]0a0[5]0 7x8-4x5
36
• The calculator automatically judges the calculation
priority sequence. For more information, see
"Calculation Priority Sequence".
Number of Decimal Places and Number of
Significant Digits
You can specify a fixed number of decimal places
and significant digits for the calculation result.
Example: 1 -^6=
LINEI
nitial default setting [Norm1]
3 decimal places (Fix3)
3significant digits (Sci3)
m in
lH-6
0.1666666667
0FIX *
1^6
0.167
1^6
I3sci ^
1.67xn’
For more information, see "Specifying the
Number of Display Digits".
Omitting a Final Closed Parenthesis
You can omit any closed parenthesis ()) immediately
preceding operation of the @ key at the end of a
calculation.
This is true only in the case of Linear format.
Example: (2+3)x(4-i)=i5
TfNEl
[B [2 0 31 CE ®
0 13 B □] 0
(2+3)x(4-l
15
■ Fraction Calculations
How you should input fractions depends on the
input/output format that is currently selected.
Improper Fmcrien Mixed Fraction
Moth
Format a
Linear
Fermat
* Under initial default settings, fractions are
displayed as improper fractions.
• Fraction calculation results are always reduced
before being displayed.
Example:^-^—=—
•3 2 6
IMATFf
LINE
H[2]®S](g)0
H0®S]S
0 [H 3] 0 [J] 2j3+L2
HSS
3^+l^=4j^ (Fraction Format:ab/c)
HHE H 0 0 3] 0 3 j 1 j 4+1 j 2 j 3
0 @ SI E13 [3] 0 4jiiji2
^3^
• Mixed fraction input is possible only when "ab/c"
is specified for the fraction format.
Under "MATH" mode,press
SHIFT Q (— g) to input mixed fraction
If the total number of digits used for a mixed
fraction (including integer, numerator,
denominator, and separator symbols ) is greater
than 10, the value is automatically displayed in
decimal format.
The result of a calculation that involves both fraction
and decimal values is displayed in decimal format.
Switching between improper Fraction and
Mixed Fraction Format
Pressing thei shift ils^(a^<=>4)key toggles the display
Fraction between mixed fraction and improper
Fraction format.
Switching between Fraction and Decimal
Format
B
3^2
1.5
B
3-F2
3 j 2
The format of the fraction depends on the currently
selected fraction format setting (improper fraction
or mixed fraction).
You cannot switch from decimal format to mixed
fraction format if the total number of digits used
in the mixed fraction(including integer, numerator,
denominator, and separator symbols ] is greater
than 10.
For details about theSEH key, see"Using S-D
Transformation".
I Percent Calculations
Inputting a value and pressingrsHiFnm (%) causes
the input value to become a percent.
Example: 2%=0.02(^)
LINE
0isHiFnm(%)0
-------------- 24---------
2%
0.02