Proportion your expenses to what you have, not to what you expect.
Spreadsheets can help you with your financial calculations.
Develop a spreadsheet to analyze your expenditures for a month, or for whatever period you like, and learn the basics of organizing budgets with key features of spreadsheets
This simple exercise will help you
balance your educational budget
First enter your income from your
job, scholarships/grants, savings, family and "other"
Then enter your expenses from
rent/utilities, tuition/books, food, entertainment, and "other"
Compare the two columns,
and you will then be able to balance the two
by adjusting the individual entries.