User Manual
Table Of Contents
- Allegro CE™ Owner's Manual
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 Hardware Components
- Chapter 3 Memory Configuration and Data Storage Options
- Chapter 4 Windows CE Operating System
- Chapter 5 Technical Reference
- Chapter 6 Software Developer’s Guide for Allegro CE 3.0 and CE .NET
- Chapter 7 FCC Information, Warranty, and Software License Agreement
- Chapter 8 Expansion Pods
- Index
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 Hardware Components
- Case Design
- Keyboard
- Display
- System Tray Indicators
- Batteries
- Main Power Source
- Setting Battery Charge
- Battery Life
- Recharging the NiMH Battery Pack
- Battery Gauging Explained
- Battery Status Icons
- When the Battery Voltage Drops
- Power Management Feature
- Changing NiMH Battery Pack
- Alkaline Battery Holder: Inserting Batteries and Usage Information
- Storing the Allegro CE During Inactive Periods
- NiMH Battery Pack's Useful Life
- Spare NiMH Battery Packs
- Short-Term Backup Supply
- Real Time Clock
- Main Power Source
- Communication Ports
- USB/Power Dock
- PC Cards
- Expansion Pods
- Chapter 3 Memory Configuration and Data Storage Options
- Chapter 4 Windows CE Operating System
- Windows CE Overview
- CE .NET Viewers
- ActiveSync Transfer
- Downloading ActiveSync from the Internet
- Installing ActiveSync
- Establishing a First Time ActiveSync Connection
- Establishing Additional ActiveSync Connections
- New Partnership Set Up
- USB MultiSync
- USB MultiSync Connections
- Transferring Files Between the Allegro CE and the Desktop PC
- Windows Explorer
- Storing Files and Programs
- System Save/Restore Utilities
- Application Command Bars
- PTab Spreadsheet Program
- Pocket Word/WordPad
- Internet Explorer and Inbox
- Calculator Program
- Terminal Program
- Chapter 5 Technical Reference
- Chapter 6 Software Developer’s Guide for Allegro CE 3.0 and CE .NET
- Chapter 7 FCC Information, Warranty, and Software License Agreement
- Chapter 8 Expansion Pods
- Index

Windows CE Page 4-121
Math & Trig Functions
Abs(number) Returns the absolute value of a number. Example: Abs (-3)
equals 3.
Acos(number) Returns the arccosine of a number. The number must be from
-1 to 1.
Example: Acos(-0.5) equals 2.094395.
Acosh(number) Returns the inverse hyperbolic cosine of a number. The
number must be greater or equal to 1.
Example: Acosh(1) equals 0.04613.
Asin(number) Returns the arcsine of a number. The number must be from -
1 to 1.
Example: Asin(-0.5) equals -0.5236.
Asinh(number) Returns the inverse hyperbolic sine of a number. Example:
Asinh(8) equals 2.77647.
Atan(number) Returns the arctangent of a number.
Example: Atan(0.5) equals 0.46365.
Atan2(x,y) Returns the arctangent of the specified x and y coordinates.
Example: Atan2(1, 1) equals 0.785398.
Atanh(number) Returns the inverse hyperbolic tangent of a number. The
number must be between -1 and 1 (excluding -1 and 1).
Example: Atanh(-0.1) equals -0.10034.
Ceiling(number, significance) Returns the number rounded up to the
nearest multiple of the significance.
Example: Ceiling(10.43, 0.1) equals 10.5.
Combin(number, numberChosen) Returns the number of combinations.
Number is the number of items, numberChosen is the number of items in
each combination.
Example: Combin(10, 2) equals 45.
Cos(number) Returns the cosine of the given angle.
Example: Cos(0.5) equals 0.87758.
Cosh(number) Returns the hyperbolic cosine of a number.
Example: Cosh(5) equals 74.20995.
Degrees(number) Converts radians into degrees.
Example: Degrees(Pi()/2) equals 90.
Even(number) Returns the number rounded up to the nearest even integer.
Example: Even(1.3) equals 2.
Exp(number) Returns e raised to the power of the number.
Example: Exp(Ln(2)) equals 2.