The below are open source tools and mostly available on GNU/Linux, and can run on other platforms too: 1  GeoGebra - open source software for dynamic geometry, algebra and calculus for middle/high school and college. Exports interactive web pages.  Kig[1] A GUI based geometry editor.
â¢ Before surgery, wait at least 24 hours after the last dose of LMW heparin is administered before a spinal/epidural catheter is placed. â¢ After surgery, when there is adequate surgical site hemostasis, for twice daily dosing, wait at least 24 hours after catheter removal before resuming therapeutic-dose LMW heparin.
â Avodart or Jalyn (dutasteride) - wait 6 months from the last dose. â Aspirin, no waiting period for donating whole blood. However you must wait 48 hours after taking aspirin or any medication containing aspirin before donating platelets by apheresis. â Effient (prasugrel) - wait 14 days after taking this medication before donating platelets by apheresis. â Feldene (piroxicam) - no waiting period for donating whole blood. However, you must wait 48 hours after taking Feldene (piroxicam) before donating platelets by apheresis.