AddUp for Windows

Name: AddUp
Rating: 5 (3 reviews)
Author: Orefa.com

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Editors’ Review

Download.com staffFebruary 26, 2026

This powerful calculator handles scientific, financial, and computer tasks. It offers extensive features for calculations, conversions, and data management with a customizable interface.

Top Recommended Alternative

Prime Numbers Portable

Free

Pros
- Comprehensive calculation types for finance, science, and math
- Supports unit conversions, date/time, and numeric bases
- Includes bit-level operations and complex number support
- Customizable interface with selectable keypads and font sizes
- Editable work area for annotation, modification, and saving
Cons
- No mention of advanced graphing capabilities
- Limited information on integration with other software
- No specific features highlighted for advanced statistical analysis

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Full Specifications

GENERAL

Release: June 13, 2005

Latest update: February 26, 2026

Version: 2.0

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows XP
Windows 95
Windows 2000
Windows 98
Windows NT
Windows ME

Additional Requirements: Windows 95/98/Me/NT/2000/XP/2003 Server

POPULARITY

Total Downloads: 7,011

Downloads Last Week: 0

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Last Updated

User Reviews

5/5

3 User Votes

Very useful calculator.
acumJune 30, 2006
Pros
Versatile, all the functions, conversion and scientific constants I need in a small package.
Cons
Found nothing wrong with it so far (but not used for very long...)
Summary
Quick popup and a whole lot of functionality.
surfer_dudeJune 16, 2005
Pros
Check this out: I set the on/off mode as the help file says and now the calculator pops open and closes with the same hotkey, it works really well (use the Ctrl+Num-0 hotkey as they say, it makes it even easier). Describe the pros? Sheesh, there are too many to list. This calculator does everything, even metric conversions. It's a keeper alright.
Cons
Summary
A ruthlessly competent product.
Ralph BirdJune 13, 2005
Pros
Multi-competent tape calculator: it converts units, handles finances and science, numeric bases, complex numbers, fractions and more. Very complete, and so is the detailed help file.
Cons
Plain looking (not such a bad thing though...)
Summary

Developer’s Description

By Orefa.com

Perform conversions and calculations for scientific, financial or computer-related puposes.

Powerful calculator for finance, science, math, stats, unit conversions, date and time calculations, numeric bases, bit-level operations, complex numbers, random numbers, prime numbers, fractions, trigonometry, NIST scientific constants. Quick popup access. selectable keypads, button size, font, display format. Editable work area: calculate, annotate your work, change and repeat your calculations, save to file and restore. Detailed Help File.

AddUp for Windows

Editors’ Review

Top Recommended Alternative

Prime Numbers Portable

Pros

Cons