With the standard calculator, I end up manually tapping in ‘+20%=’ for each. With PopCalc, all I do is tap + then touch the 20% blob from the first calculation: One touch instead of four.

GCSE; Edexcel; Standard form - Edexcel Calculating standard form without a calculator. Calculations with very big or small numbers can be made easier by converting numbers in and out of standard form.

By default, you will first view the standard calculator used for math problems we face in our daily life. Click on the menu from the top-left corner of the screen and select ‘ Graphing .’ ...