Decimal handling shouldn't be too difficult. Use an integer of the appropriate size for storage and scale by 10^n where n is the number of decimal places. E.g.

Decimal handling shouldn't be too difficult. Use an integer of the appropriate size for storage and scale by 10^n where n is the number of decimal places. E.g. (my COBOL is a little rusty) price PIC 999V99 ... move 3.14 to price would result in the WebAssembly equivalent of price = 314 In other words: Use fixed-point arithmetic, but with base-10 instead of base-2.