Below are links to other organizations and information that we thought you might find helpful. 

Chartered Professional Accountants

• CPA Canada
• CPA Ontario
• Canadian Public Accountability Board

Tax

• Canada Revenue Agency 
• Canadian Tax Foundation 
• Government of Canada
• Department of Finance, Canada 

Calculators

• CRA's Automobile Benefits Online Calculator
• CRA's Payroll Deductions Online Calculator
• Loan amortization calculator

Interest Rates and Foreign Exchange Rates

• Bank of Canada  

Economic Information

• Statistics Canada

Securities Information

• SEDAR – Access securities information for Canadian Public Companies