st
1
Expressions inside parentheses.
nd
Single-variable functions that perform the calculation and display the result immediately.
2
rd
3
Permutations (nPr) and combinations (nCr).
th
4
Exponentiation and root functions.
th
5
Multiplication and division
th
6
Addition and subtraction
th
7
= / Enter closes all open parentheses and completes all operations.
Pi 3.141592653590
π (Pi)
Pi is the ratio of the circumference of a circle to its diameter. Pi carries out many digit places beyond the decimal point;
though to accurately use in a calculation most people carry it out to 6 or 7 digits.
π = 3.141592654 on the display.
π = 3.141592653590 is used for calculations.
Notation and Decimal Selection
The V30-RA allows the user to choose between Decimal, Scientific, and Engineering notation depending on the users need.
nd
[2
] [FIX]
Decimal notation mode menu.
nd
[2
] [FLO]
Floating Notation (default mode), in floating notation mode, there are numbers before and after the decimal.
nd
[2
] [SCI]
Scientific Notation uses an exponent to express large and small numbers in a convenient manor.
nd
[2
] [ENG]
Engineering Notation is a form of scientific notation, but the power of 10 (exponent) must be a multiple of 3.
[EE]
Used to enter an exponent. To enter a negative exponent, press [-] before entering the exponent.
Fractional Calculations
The Victor V30-RA allows the user to calculate mixed and improper fractions, with the results given as mixed fractions.
b
[a
/
]
Used to enter a mixed or improper fraction.
c
Improper fraction (a/b)
a (numerator)→ [a
b
Mixed fraction (a
]→c (denominator)
b
[a
/
c
] [F↔D] Is used to convert between fractions and decimals.
nd
[2
↔
nd
b
d
[2
] [a
/
/
] Is used to convert between mixed numbers and simple fractions.
c
e
Example: You want to add 2
Enter:
b
b
[2] [ a
/
] [1] [ a
/
] [8]
c
c
[+]
b
[3] [ a
/
] [4]
c
[=]
Angles
[DRG]
To specify the Angle mode in degrees, radians, or gradients.
Example: Press the [DRG] key and the bottom of the display will rotate through "DEG", "RAD", and "GRD".
After you see the mode you would like to activate, stop.
]→b (denominator)
b
/
c
): a(integer) → [a
]→ b (numerator)→
b
/
/
c
c
1
/
to ¾ and after getting the answer, you would like to convert the mixed fraction to a decimal number.
8
Display:
2 _ 1 _, 8
2 _ 1 _, 8
3 _, 4
2 _ 7 _, 8