Need a manual for your Canon F-720 Calculator? Below you can view and download the PDF manual for free. There are also frequently asked questions, a product rating and feedback from users to enable you to optimally use your product. If this is not the manual you want, please contact us.
Dismantlingthis powerful calculator is somewhat disappointing. There is no hint to the truemanufacturer of this OEM-calculator.Running Mike Sebastian's "Calculatorforensics" reveals the Canon F-720 as one of the"new-generation" calculators using binary arithmetic instead of thecommon BCD (Binary Coded Decimal) arithmetic to perform internal calculations.According to the manual this calculator uses up to 24 digits of precision and weget indeed the unbelievable result of 9.00000000005281641187...running the forensics test. 2b1af7f3a8