 # Dr. Del’s Practical Algebra with Prerequisites

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## Description

Topics covered:

• TI-30XA Introduction
• C1     ON/OFF FIX DEG M1 M2 M3
• C2     Real Numbers: Add + Subtract – Equal =
• C3     Negative Numbers + ≈ –
• C4     Multiply × Divide ÷
• C5     Percentage %
• C6     Memory  M1, M2, M3 STO  RCL ( )
• C7     X2 Square
• C8     √X Square Root
• C9     1/X Reciprocal “Flip It”
• C10   Fractions AB/C + – × ÷
• C11   D/C Proper/Improper Fractions
• C12   F ↔ D Fraction to Decimal Conversion

• Pre-Algebra Introduction
• P1     Real Numbers, Integers, and Rationals
• P2     The Number Line, Negative Numbers
• P3     Rules of Addition + –
• P4     Rules of Multiplication × ÷
• P5     Distributive Law + and × Combined
• P6     Fractions, A/B and C/D, Rules
• P7     Squares X2 X Squared
• P8     Square Roots √X
• P9     Reciprocal 1/X  X ≠ 0
• P10   Exponents YX  Y > 0, X Can Be Any Number

• Introduction to Algebra
• A1     Four Ways to Solve an Algebra Equation
• A2     The Rule of Algebra
• A3     X + A = B This is an Easy Linear Equation
• A4     AX = B This is an Easy Linear Equation
• A5     AX + B = CX + D This is an Easy Linear Equation
• A6     A/X = C/D This is an Easy Linear Equation
• A7     AX2 = B This is an Easy Non-Linear Equation
• A8     A√X = B This is an Easy Non-Linear Equation
• A9     (1) SIN X° = A, -1 ≤ A ≤ 1, or (2) SIN-1X = A°, 0 ≤ A° ≤ 180°
• A10   (1) COS X° = A, -1 ≤ A ≤ 1, or (2) COS-1X = A°, 0 ≤ A° ≤ 180°