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The Old Calculator Web Museum oldcalculatormuseum.com
The Old Calculator Web Museum is a virtual museum of old electronic calculating machines. Detailed information on calculators from the earliest electronic calculators through the early 1980's is provided for each machine in the museum.
Geographic Midpoint Calculator, Find Your Personal Center of Gravity geomidpoint.com
Finds the exact point that lies halfway between two or more places. Find your personal center of gravity--the geographic average location for all of the places you have lived in.
The Museum of HP Calculators hpmuseum.org
The Museum of HP Calculators displays and describes older Hewlett-Packard calculators. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.
ATO Tax Calculator [2023-2024 Tax Rates] atotaxcalculator.com.au
Simplified ATO Tax Calculator for your annual, monthly, fortnightly and weekly salary calculations after PAYG tax deductions in Australia. Run multiple scenarios easily...
Rechenmaschinen-Illustrated rechenmaschinen-illustrated.com
site contains an on-line version of E.Martin's book Die Rechenmaschinen und ihre Entwicklung. In addition pictures, brochures and similar information is provided.
Museum of Pocket Calculating Devices calculators.de
Museum of Pocket Calculating Devices
Age Calculator agecalculatorguru.com
Calculating your current age in year, month, weeks, days, hours, minutes and seconds.
Percent change calculator: percentage increase/decrease percentage-change-calculator.com
Use our free percent change calculator to calculate the percentage change between two numbers. What is the percentage increase/decrease from one number to another?
SpeakerBoxLite. Subwoofer box calculator, Sub box calculator speakerboxlite.com
Subwoofer box design online software. Subwoofer box calculator online. The calculation of sealed, bass-reflex, bandpass boxes by Thiele-Small parameters. Easy and convenient build your box.
Bell Punch Company & Anita Calculators anita-calculators.info
Brief history of the Bell Punch Company and the development of the Anita calculator: the world's first desktop electronic calculator.
Website Carbon Calculator v3 | What's your site's carbon footprint? websitecarbon.com
The original website carbon calculator tool, brought to you by Wholegrain Digital, London's original sustainable WordPress agency.
Derivative Calculator * With Steps! derivative-calculator.net
Solve derivatives using this free online calculator. Step-by-step solution and graphs included!