Matrix Calculators
These calculators are not toys.

Online — free, nothing to download or install.

• Annuity Matrix — calculate range of starting amounts or withdrawals
• Future Value Matrix — calculate range of future values or deposit amount
• Loan Matrix — calculate range of payments or loan amounts

For Windows - download & install on your computer

• Annuity Matrix — Two calculations. One calculates the present values, the other the possibly withdrawal amounts with interest rate and term varying along the "X" & "Y" axes.
• Future Value Matrix — Two calculations. One calculates the deposit amounts and the other the future values as the interest rate and term varying along the "X" & "Y" axes.
• Loan Matrix — multiple payments or loan amounts as interest rate and term varying along the "X" & "Y" axes.

The Windows matrix calculators will print out a handy reference sheet.