Don't be lazy. Read essential manuals. Format
function is your best friend in Nav.
strsubstno(text01,format(100.10,0,'<Precision,2:2><Standard Format,0>'))
Third argument of Format is actually the format of result text. <Precision,2:3>
means that if first argument is decimal it will have from 2 to 3 (minimum 2 and maximum 3) digits in decimal part. <Standard Format,0>
means that the rest of format will be standard.
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