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.

From the main screen, select one of the displayed choices and press the corresponding key.

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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