Business & Finance


Scientific & Engineering


Math & Statistics


Higher Education











Scientific & Engineering
Main functions
|
Statistical Functions
|
Unit Conversions
|
Date & Time
CustomCalc is a real pleasure to use, accurate, and fast. It offers three input modes (RPN, Algebraic and Sequential) and an astonishing array of scientific and math built-in capabilities.

The user can redefine buttons to customize the calculator in pretty much any way desired. You can have the functions you use most, right where you want them.

- You may have several profiles.

- There are 113 keys you can define with hundreds of functions (math, trig, financial, time, etc., and dozens of conversions).

- It just takes one or two key strokes to get your answer.

- You can store 18 numbers in memory and display them all at once.

Main functions
- Statistical Functions
- Unit conversions

People from the next companies use CustomCalc:
- IEEE - Institute of Electrical and Electronics Engineers, Inc
- NASA
- Nokia
- Raytheon
- Max-Planck-Institut fuer Physik
- AtlasCopco
- US Navy
- ASME - American Society of Mechanical Engineers
- Chevron Phillips Chemical
- Praxair, Inc.
- Bosch
- Office of Science - US Deparment of Energy
- JohnDeere
- Colorado Energy Management LLC
- Grace Street Residential Design Systems
- AdventSolar
- Jaderloon
- WRG Desing Inc.
- HOPSA (PA)
- AXPO (CH)
- Adirondack Performance Engineering
- Bartek Technologies
- ITSA Telecomunicaçoés (BR)
- LockNet
- Allset (SE)
- EDI Solutions
- BLM - Bahia las Minas Corp.
- ITISA (MX)
- INGWE Coal Corp Limited - BHP Billiton (ZA)
- Kevin Collins Design
- Trazar Corporation
- New Jersey American Water
- Struble-Welsh Engineering
- Copeland - Emerson Climate Technologies
- San Diego Real Estate
- ESJ Commercial Space Planning and Design
- Dyno Nobel
- CH2M Hill





- Brian Noller June 8th 2003
"I, as a teacher of computers, math and physics am lost without it!"
- David Fuller January 12th 2002
"I think I have tried all of the scientific calculators for the Palm, but CustomCalc is the only one I have registered. It works close enough to the HP calculator I have used for many years that I now don't need to carry it"