INTRODUCTION TO MATHEMATICS ARABIC NUMBERS ROMAN NUMERALS Lecture

INTRODUCTION TO MATHEMATICS + ARABIC NUMBERS & ROMAN NUMERALS Lecture One

Significance of Math for Pharmacy Students q Math is frequently used in health care professions. q The use of calculation in pharmacy is varied and broadbased. q Pharmaceutical calculations require a great deal of accuracy, because error have dire consequences.

Main Topics Covered in This Course q Systems of pharmaceutical measurements and quantities: -Numeral system (Arabic and Roman numerals). -Metric system (temperature, time, distance, volume and weight). -Common measures (Apothecary, Avoirdupois and Household). q Fractions. q Decimal system. q Converting quantities between the metric and common measure Systems. q Calculations of doses. q Preparation of solutions (powder volume and alligation).

ARABIC NUMBERS & ROMAN NUMERALS Lecture One

Learning Objectives Upon successful completion of this lecture, the student will be able to: ■ Express Arabic numbers as Roman numerals. ■ Express Roman numerals as Arabic numbers.

Systems of Pharmaceutical Measurement & quantity Numeric systems Metric system Common systems Time Temperature

Numeric Systems Arabic • Numbers. • Fractions. • Decimals. Roma n • Capital letters. • Lower letters.

Roman Numerals

Roman Numerals Rules

Roman Numerals Rules

Roman Numerals Rules

Roman Numerals Rules

Roman Numerals Examples ■ How would 43 be written in Roman numerals? A. XLIII B. XXXXIII C. XXXI Answer: ■ A. XLIII ■ XLIII = 43 ■ XXXXIII incorrect – Same numeral cannot be placed next to itself more than three times ■ XXXI = 31

Roman Numerals Examples Convert the roman to Arabic and Arabic to Roman numerals: ■ 16 ■ XX ■ XVIII ■ 102 ■ 18 ■ VI

Roman Numerals Examples ■ Convert the roman to Arabic and Arabic to Roman numerals: ■ 64 ■ XIX ■ 96 ■ XIII ■ 73 ■ XV ■ 86

Arabic Numerals

Arabic Numerals

PRACTIC E PROBLEM S