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State Farm Insurance: Allowance Calculator
Would you like to see how your allowance can grow over time? Use this online calculator to figure it out.
University of Cambridge
University of Cambridge: Nrich: The Magic Number and the Hepta Tree
Use your calculator to help you solve this challenge at this one page website. You can check your solution with only one click of the mouse.
University of Cambridge
University of Cambridge: Nrich: Constant Counting
You can use your calculator to count by all kinds of numbers: 2s, 3s, etc. This one page website shows you how to do that and gives you a challenge besides. The solution for the challenge is waiting for you right at the website once you...
University of Cambridge
University of Cambridge: Nrich: Reverse Trick
Get your calculator and your problem solving skills out to solve this challenge. You can find the solution right at this one page website.