Requirement:
BlackBerry Torch/9800 Series

Math Functions:
÷, x, +, -
1/x, v, x2, 10x, ex, yx
Ln, log
%, Delta %
Factorial/Gamma function
Int, frac
Trigonometric (sin, cos, tan)
Inverse trigonometric (arc sin, arc cos, arc tan)
Hyperbolic (sinh, cosh, tanh)
Inverse hyperbolic (asinh, acosh, atanh)

Statistics Functions:
Mean
Standard deviation
Linear regression
X-estimate, Y-estimate
Correlation coefficient
Weighted average
permutation, combination
Normal distribution
Pseudo random number generator

Scientific Conversions:
Polar to rect
Rect to polar
Decimal hours to hours, minutes, seconds
Hours, minutes, seconds to decimal hours
Deg to rad
Rad to deg

Date Calculations:
Date
Delta Dys

Trigonometric Modes:
Degrees
Radians
Grads

Storage Arithmetic:
÷, x, +, -

Recall Arithmetic:
÷, x, +, -

Copy and Paste:
Yes

Programming:
Not available

Display:
Main display
Status display
Stack registers display
Data storage display

Display Format:
Fixed
Scientific
Engineering

Orientation:
Portrait
Landscape

Logic:
RPN

Stack Levels:
4 and Last X

Data Registers:
20

Date Format:
M.DY
D.MY