Pascal may have used some device or gadget to help do some math but he did not invent any type of calculator you are familiar with. Since tax calculations are mostly simple arithmetic and table lookups, calculators may help you do some of the math but they won't help solve taxes. Nothing can help solve taxes ;)
A free tax calculator can be found at turbotax.intuit.com/tax-tools/. This website will help you calculate your taxes including your income tax and other taxes.
Tax calculators help people figure out how much they will owe in taxes. This is particularly helpful to those who are self-employed, whose income tax is not automatically deducted from their paychecks. Tax calculators help people to plan.
Payroll tax calculators help one determine one's take-home income after taxes have been paid. The calculators can frequently be found on government revenue office websites.
Turbo Tax online offers the use of free tax calculators to help you calculate the taxes you owe. The following is a link to the free tax calculators available at Turbo Tax, http://turbotax.intuit.com/tax-tools/
Calculators help us by giving us the answers to problems we don't understand or know.
http://www.financialcalculators.com/ is a website with all the financial calculators you could ever think of. These calculators can help you budget and manage your finances.
to help you in math
“Are there any online retirement or IRA calculators that are free for use?” are there any online retirement or IRA calculators that are free for use?
There are some water-resistant calculators, but waterproof calculators are very hard to come by.
computers, calculators, teachers, parents, relatives, and any electronic devises.
There are many websites that offer healthy weight calculators. One such place can be found here: http://www.thefatproblem.com/weight-calculator-accurate-weight-measurement.html