Other Online Calculator Resources

Calculator Manufacturers and their Products

• Canon
• Casio
• Hewlett-Packard
• Museum of HP Calculators
• Sharp
• Texas Instruments
• Unofficial TI Calculator site
• Unofficial HP Calculator site
• Calculator hardware at Yahoo
• Our calculator recommendations

Calculator Manuals

• Hewlett Packard
• Texas Instruments
• Older TI Calculators
• Vintage (pre-LCD) Calculators
• Sharp
• Casio
• Casio (older models)
• Casio Programmable Calculators

Other Sources of Information

• Calculators at Open Directory
• Vintage Calculators
• Datamath TI Calculator Museum
• The Calculator Reference
• Calculator Technical Information
• Museum of Pocket Calculating Devices
• The Old Calculator Web Museum
• Mark Bollman's calculator collection
• Programmable Calculators
• Webcalc online calculator
• Vintage Calculators
• Handheld and Portable Computer Club
• CalculatorSoftware.co.uk teaching software for TI calculators
• Variable Precision floating decimal calculator for DOS
• Calculators Database
• Open Directory links to online calculators

Non-Calculator

• Eric's Slide Rule Page
• Chris Sangwin's Slide Rule Page
• The Abacus
• Mental Arithmetic
• Totalisator History
• Calculating Machines
• How Stuff Works