Art of Problem Solving
AoPS Online AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy AoPS Academy
Small live classes for advanced math
and language arts learners in grades 1-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Free webinar 4/3 about Learning with AoPS: Perspectives from a Parent, Math Camp Instructor, and University Professor.  
inequalities
B
No tags match your search
M
G
Topic
First Poster
Last Poster
H
Explaining what a congruent to b modulo c means for c not 0
adityaguharoy   1
N Jun 28, 2017 by adityaguharoy
$a \equiv b \pmod c$ means that $c|a-b$ where of course $a,b,c$ are integers and $c \ne 0$
1 reply
adityaguharoy
Jun 28, 2017
adityaguharoy
Jun 28, 2017
J
No more topics!
a