actionscript 3 - Decimal numbers not adding correctly in AS3 -


this question has answer here:

in program, have score multiplier variable of type 'number' when try add 0.1 it, have problem. here code:

scoremultiplier += 0.1; trace(scoremultiplier);

scoremultiplier set 1, , after first run through, correctly value of 1.1. however, second time, trace shows 1.2000000000000002, , next time 1.3000000000000003.

there no other code modifies scoremultiplier. problem, first because shown on game screen , goes off screen, , second because if conditionals scoremultiplier==2 example not work due bizarre fault in addition.

if knows what's causing this, or @ least how truncate value 1 decimal place, great.

flash not floating points. @ all. avoid them as can.


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