For Scientific Notation = a×10b
CalcES contains various format options for number:
Available options:
Open the settings screen by clicking the gear icon
Select the Format tab, and then select the Thousand separator item
Choose your thousand separator option, example:
Test the settings:
Available options:
Open the settings screen by clicking the gear icon
Select the Format tab, and then select the Thousandth separator item
Choose your thousandth separator option, example:
Test the settings:
There are 2 options for exponential separator:
Where a is the mantissa part and b is exponent part.
Open the settings screen by clicking the gear icon
Select the Format tab, scroll to the Scientific Notation item, select your option:
Back to the calculator, press ENG button to open the decimal format dialog:
Change the decimal format to Science mode
Result
For Scientific Notation = a×10b
For Scientific Notation = aEb