Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

New to MATLAB?

Problem 601. Retirement savings

Created by Doug Hull

At the start of what year will you have reached or exceeded a savings goal?

Parameters (all are constant scalars given in a structure):

  • f.startingSalary: Starting yearly salary
  • f.investRate: Percentage of salary invested each year
  • f.raiseRate: Percentage raise given at beginning of year EXCEPT the first
  • f.returnRate: Percentage gain in invested money
  • f.goal: Savings goal

Simplifying assumptions:

  • All money is invested at the end of the year.
  • Interest is awarded once at the end of the year on money that has been invest for an entire year
  • All interest is reinvested immediately and will gain interest the next year


  • At the beginning of which year will the goal been met or exceeded?


Problem Group

Solution Statistics

24 correct solutions 23 incorrect solutions
Last solution submitted on Apr 28, 2015