Since i am 77 years i get an add deduction

[mbeltz77]

an additional 13850 plus 15700 for over 65
your software is not correct

[DoninGA]

Standard deductions for 2023

Single - $13,850 add $1,850 if age 65 or older
Married Filing Separately - $13,850 add $1,500 if age 65 or older
Married Filing Jointly - $27,700 add $1,500 for each spouse age 65 or older
Head of Household - $20,800 add $1,850 if age 65 or older