# ▷Mathematical Economics using the TiNSpire CX

You can now use the Mathematical Economics Made Easy app at https://www.tinspireapps.com/?a=MEME   to get step by step solutions to topics such as :

• Terms and Definitions of Economics

• Definition of Economics
• The 3 Questions
• Ration Assumption
• Ceteris Paribus
• Factors of Production
• Opportunity Cost
• Productivity
• Production Possibilities Curve
• Demand
• Supply
• Demand & Supply
• Consumer & Production Surplus
• Unemployment
• Real vs Nominal GDP

• Computational Economics

• Marginal Profit
• Marginal Revenue
• Break Even Point R=C
• Demand Analysis
• Economic Order Qty
• Continuous Income Stream
• Price Elasticity
• Find Equilibrium of Supply & Demand
• Consumer Surplus
• Producer Surplus
• Cobb-Douglas Prod.
• Gini Coefficient
• Future Value & Compound Interest
• Effective Interest Rate
• Differentials
• Logistic Differential Equation
• Simplex Algorithm
• Fiscal Multiplier
• Average Tax Rate
• Marginal Tax Rate
• Price Index
• Real GDP – Expenditure Approach
• Real GDP – Income Approach
• GDP Deflator: Nominal GDP -> Real GDP
• Compute any Rate [%] : Labor
• Nominal & Real Interest Rate
• Unemployment Rate

• Algebra & Complex Numbers

• Solve any Equation or Inequality
• Solve 2×2 system – Step by Step
• READ: PEMDAS – Order of Operation
• Simplify & Evaluate
• Find Partial Fractions
• Solve Proportion (Ratio) Problems
• Find Slope
• Find y=mx+b
• Find Parallel and Perpendicular Lines
• One Complex Number : All-in-one-Explorer
• Two Complex Numbers : All-in-one-Explorer

• Exponents & Logarithms

• Solve Money/Exponential Growth Problems
• Evaluate Logarithms
• Logarithm Solver
• Explicit Sequence & Partial Sum
• Recursive Sequence & Partial Sum
• Sequence Formula Finder
• Geometric Sequence & Series
• Arithmetic Sequence
• Sigma S-Notation

• Vectors & Matrices

• 2D: Vector Length
• 3D: Unit Vector
• All in one Matrix A Explorer
• Two Matrices: A+B
• Find the Inverse of A
• Find the Determinant of A
• Row Echolon(A)
• Reverse Row Echolon(A) – STEPS
• EigenValues – STEPS
• EigenVectors – STEPS
• Solve System of Equations A*X=B
• Cramer Rule to solve A*X=B

• Calculus & Numerics

• Newton Method
• Bisection Method
• Compute 1- and 2-sided Limits: lim x->c f(x)
• L’Hopital Rule
• Find f'(x)=lim [f(x+h)-f(x)]/h as h->oo
• Derivatives and Tangentline
• Critical Points
• Points of Inflection & Concavity
• Antiderivatives & Integrals
• Definite Integral (Netarea) f(x)dx over [a,.b]
• APPS: VOLUME – Disk Method about x-axis
• Area Approx. RAMS
• Limits: lim (x,y) as (x,y)->(xo,yo)
• Total Differential: x*dx+y*dy
• Chain Rule
• Hessian Matrix
• Lagrange Multiplier with 1 or 2 constraints
• Relative Extrema of f(x,y)
• Multiple Integrals

Differential & Difference Equations

• Solve any 1. order D.E.
• M(x,y)dx+N(x,y)dy=0
• Separation of Variables
• Linear in y Differential Equation
• Newtons Law of Cooling / Heating
• Euler Method given n=Number of Pts.
• Solve any 2. Order D.E.
• Homogeneous Differential Equation
• Non-Homogeneous Differential Equation
• System of Differential Equations
• Solve 1. Order Difference Equation
• Solve 2. Order Difference Equation
Posted on Categories economics, mathematical economics