We have been slaving away over the past week and we are proud to have a large release of new calculators for today’s update. The list this week includes: Ring Size Calculator, How Much To Spend On An Engagement Ring Calculator, Shoe Size Conversion Calculator, and PayPal Fee Calculator. In addition, as of Wednesday we have now also launched the following calculators: Cat Years Calculator, Dog Years Calculator, Air Conditioning Calculator, Light Bulb Savings Calculator, and Download Time Calculator. Lastly, don’t forget about your chance to win a free Casio FX-9750GII graphing calculator in our March giveaway!