wrSUtils (Small utilities)
A collection of simple math utilities
These 32-bit text-mode (non-GUI) programs were developed to aid the parent in creating math exercises for their Middle School student children that also allow to check for correctness promptly.

a) Prime Number Factorization:
Find the prime factor(s) of your number. Or add the letter 's' in front of your number, then press <Enter>: the screen fills with prime numbers leading up to your number, press any key to pause, <Esc> to abort. Displays prime factors of your number. Press <Enter> to return to the main screen.

b) Division with remainders:
Calculate the result of a division where a remainder is displayed, instead of decimals. Press <Enter> to return to the main screen.

c) Which fraction is smaller (or greater):
Enter two fractions, separated by a <Space> character, compares the two fractions and displays the result by using the '<' (smaller), '>' (greater) or '=' (equal) sign. You may also enter whole numbers by connecting them to the fractional part using a 'tilde' like in 2~1/2. Press <Enter> to return to the main screen.

d) Fraction calculator:
Add/subtract/multiply or divide several fractions and display the result as smallest term fraction, if possible. You may also enter whole numbers by connecting them to the fractional part using a 'tilde' like in 2~1/2. Press <Enter> to return to the main screen.

e) Smallest Term Fraction:
Enter a fraction, and the computer will calculate the smallest term fraction if possible. Press <Enter> to return to the main screen.

f) Date calculator:
Either enter a date and add (subtract) days from that date, the computer calculates the new date or enter 2 dates and the computer displays the days in between, press now <Spacebar> to convert between days, hours, minutes and seconds. Press <Esc> repeatedly to return to the first date input field or return to the main screen.

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