Systems and methods for providing a dosage on a device comprising an electronic circuit, an input device, and a display screen. The method includes receiving an input signal of a user indicating an input directed to a patient sex and patient status selected from the group comprising new patient, returning patient and booster patient. If the patient sex is female, an effective estradiol dosage and an effective testosterone dosage are determined using dosage calculation methods selected based on the patient status and additional female input parameters. If the patient sex is male an effective testosterone dosage is determined using dosage calculation methods selected based on the patient status and additional male input parameters.