In this world of spreadsheets, smart phones, apps and calculators, you may ask does anyone ever need to estimate an answer when, with a few clicks, they can have the exact answer? But the ability to estimate is as important as ever: mental arithmetic hasn’t gone away and the ability to get a ‘ball park […]
Pages
Categories
Archives
- May 2024
- March 2024
- February 2024
- January 2024
- December 2023
- November 2023
- January 2023
- February 2021
- December 2020
- September 2020
- July 2020
- June 2020
- May 2020
- April 2020
- March 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- June 2019
- April 2019
- February 2019
- January 2019
- December 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- February 2018
- January 2018
- December 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- March 2017
- February 2017
- January 2017
- November 2016
- July 2016
- June 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012