# Engineering Economics app now available for the TI-Nspire CX – Step by Step Solutions

Engineering Economics has become very easy now when using the new TiNspire CX app

FUNCTIONALITY & MENU ITEMS OF THIS APP :

• Future Value & Compound Interest
• Effective Interest Rate
• Nominal Interest Rate
• Compute Inflation Rate
• Investment Worth after Inflation
• Investment Worth after Inflation & Tax
• Depreciation : Straight Line Method
• Depreciation : Sum of Years Digits
• Depreciation : Reducing Balance Method
• Income Tax Calculation
• Compute any Rate [%] by Definition
• Present Value of Perpetuity
• Simple Interest I=P*r*t
• Compounded Interest: A=P*(1+r)^t
• Compounded Interest=P*(1+r)^t-P
• Compounded Continuously A=P*e^(r*t)
Cash Flow / Capital Investment

• Geometric Gradient of Payments (P/A)
• Equal Payment: Present Worth (P/A)
• Equal Paym: Capital Recovery (A/P)
• Equal Paym: Sinking Fund (A/F)
• Equal Paym: Compound Amount (F/A)
• Arithmetic Gradient to Uniform Series (A/G)
• Arithmetic Gradient Present Worth (P/G)
• Single Payment Compounded: (F/P)
• Single Payment Present Worth: (P/F)
• Solve for V: A=B*v+C
• Equivalent Annual Cost EAC
• Equivalent Annual Cost EAC + Cost
• V1+V2*(A/P)+V3*(A/F,i,n)+V4*(A/G,i,n)
• V1+V2*(P/A)+V3*(P/G,i,n)+V4*(P/F,i,n)
Economical Calculations 1

• 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
• Consumer & Production Surplus
• Real vs Nominal GDP
• Cobb-Douglas Prod.
• Gini Coefficient
• Differentials
• Logistic Differential Equation
• Simplex Algorithm
• 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
• Solve any Equation
• Solve using the Rule 72
• Solve Money/Exponential Growth Problems
• Geometric Sequence & Series
• Sigma S-Notation
Posted on Categories economics, engineering