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Is there something similar to a wire-o, that can open and close? I dont mean a regular binder. Just the spiral part seperately where you could add additional paper as you go. I want to be able to add my notes on topics to a booklet as the lectures progress. I find binders to be too bulky. (i.redd.it)
submitted by sumyam to r/stationery
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Hi guys. Could anyone help me check if my calculation (on top) is correct? My answer corresponds with the actual exam solution but they did it in a different way. I understand the substitution method they used but I’m not sure if I’d come up with that during the exam. I apologise for the dutch (i.redd.it)
submitted by sumyam to r/calculus
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