Evidence-led learning
Understand the arithmetic before you use the tools.
Short, transparent explanations connect each calculator to its formula, assumptions, sources, and limits. Peptisy records decisions; it does not make them.
Explore the guides
How reconstitution arithmetic works
Follow the deterministic formula from vial amount and liquid volume to concentration and syringe units.
Read the methodologyU-40 and U-100: the mathematical difference
See why syringe calibration changes the unit count while leaving the liquid volume unchanged.
Open the dose calculatorHow to read a half-life graph
Learn what the editable decay estimate represents, which assumptions it uses, and where it stops.
Explore half-lifePrepare a clearer appointment record
Organize dates, notes, reminders, and reports without turning a record into medical advice.
Explore private trackingPrivacy and editorial boundaries
See what stays on-device, which behavioral events are measured, and how review status is disclosed.
Read about Peptisy