Calculators
There is a number of calculators out there, and you can find one for practically any purpose you may have. Your choice should depend on what you are using a calculator for, and what kind of calculations you plan on doing.
Mario Manuzzi
Tyco Thermal Controls
MH AeroTools
The Call Center School, LLC
Hansen-Solubility Parameters
Metalogic Software
R J Holcombe
trader-soft
Lindab IMP Klima
Fidelity National Title
Theta Oilfield Services
American Process Inc
EAW
JBL Incorporated
Ken Wilcox Associates, Inc.
CNC Consulting
Judy's Applications
Alan J. Munday
FRENCO GmbH
GlobalFlow Inc.
BREAKTRU SOFTWARE
Soil Office Software Group
aptrio.com
Noël Danjou
Wheatworks Software, LLC
Abhisoft Technologies
maxconverter
LoanCalculator.ws
Black Cat Systems
Dresser-Rand