Calculations Websites
Online Conversion - Convert just about anything to anything else
Online Conversion is a resource for weights, measures, calculators, converters.
carbonfootprint.com - Home of Carbon Footprinting
Leading online carbon footprint calculation tools and information to help reduce and offset your emissions - for business and individuals.
Unit Conversions and Calculations from MegaConverter megaCalculator me
Best Place to Figure What Equals What. megaConverter is THE resource for units, weights, measures, calculators and converters.
DiracDelta Science & Engineering Encyclopedia
A science and engineering encyclopedia for students and professionals
TURBOMOLE Users Forum - Index
TURBOMOLE is a powerful Quantum Chemistry (QC) program package and one of the fastest and most stable codes available for standard quantum chemical applications (HF, DFT, MP2). Unlike many other programs, the main focus in the development of TURBOMOLE has not been to implement all new methods and functionals, but to pr
PaymentEvolution - Modern Payroll, Payments, and Benefits for Your Gro
Provides online, secure, cost-effective payroll and payment services to small and mid-sized businesses across Canada for a little or no cost. Features free online payroll deductions calculator, secured online employee payslips and other reports.
Metric and Imperial Conversion Charts and Tables
Metric and imperial and currency conversion calculator. Online charts and tables to convert currency, temperature, length, area, mass and volume
RoyMech Index page
Index to Mechanical Engineering Information Pages
Scientific Computing
News and comments about scientific software
The Symmetry454 Calendar and "Kalendis" (calendar calculator)
Proposal to reform the Gregorian Calendar
Visual
Visual is powerful lighting software engineered to bring productivity to the lighting design process.
SMath Studio - SMath
Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.
MITCalc - Mechanical, Industrial and Technical Calculations
Multi-language mechanical and technical calculation package includes solutions for gear, belt and chain drives, bearings, springs, beam, shaft, bolt connection, shaft connection, tolerances and many others. The calculations are compatible with many types of 2D and 3D CAD systems (AutoCAD, AutoCAD LT, IntelliCAD, TurboC
Snappy Maths - Free worksheets and interactive mathematics resources f
Free maths worksheets and interactive online activities for Foundation Stage, Key Stage 1 and Key Stage 2 (elementary) teachers and pupils.
Molecular Modeling Software - NGMSI Norgwyn Montgomery Software Inc
NGMSI creates and markets Molecular Modeling Pro modeling software and the ChemicaElectrica chemical database. NGMSI also supplies contract programming and training needs for the chemical industry
Aquarium Tools | The Aquarium Toolbox
All aquarium related tools: calculators, diagnoser, the AquaSketcher and more.