Random Number; The Math Menu - HP 30b - Business Professional Calculator User Manual

Table 2-4 Shifted Function Mathematical Operations
Keys
:p
:q
:r
:k
:l
:m
:n
:f
:g
:i
:d
:e

Random number

:f
Press
Type a number and press
generation.

The Math Menu

There are additional functions available in the Math menu. To open the Math menu, press
:s
. See Figure 8 for the menu map of the Math menu.
Description
Calculates sine.
Calculates cosine.
Calculates tangent.
Calculates natural log.
Calculates natural exponent to the power of x.
Calculates square of x.
Calculates square root.
Executes the Random function. Returns a random number in the range 0 < x < 1.
Calculates factorial of x (where –253 < x < 253). The Gamma function is used to
calculate x! for non-integers or negative numbers.
Calculates the reciprocal.
In Chain or Algebraic mode, recalls the result of the last operation. In RPN mode,
returns the content of the Last Number variable.
Rounds x to the number specified by the display format.
to generate a randomly distributed number between 0 and 1.
:$:f
to store a new seed for random number
Mathematical Calculations
19