When did you use math within the pass 18 hours?

Question

& your calculations?

Answer 1

when i got my work schedule and wanted to know how many hrs i was working in the next three weeks and how much money my check was gonna be.  

Answer 2

Well... I'm a math grad student... 'nuff said?

Answer 3

To find what the output of an operational amplifier should be given the inputs, when working on an electronic circuit.

Answer 4

i have no idea i think to count how much money a dollar is worth in my country